391279616

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:89

約数の個数: 264

約数和(自身を含む): 1078850880

約数和(自身を除く): 687571264

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 19, 26, 28, 32, 34, 38, 52, 56, 64, 68, 76, 91, 104, 112, 119, 128, 133, 136, 152, 169, 182, 208, 221, 224, 238, 247, 256, 266, 272, 304, 323, 338, 364, 416, 442, 448, 476, 494, 512, 532, 544, 608, 646, 676, 728, 832, 884, 896, 952, 988, 1024, 1064, 1088, 1183, 1216, 1292, 1352, 1456, 1547, 1664, 1729, 1768, 1792, 1904, 1976, 2128, 2176, 2261, 2366, 2432, 2584, 2704, 2873, 2912, 3094, 3211, 3328, 3458, 3536, 3584, 3808, 3952, 4199, 4256, 4352, 4522, 4732, 4864, 5168, 5408, 5746, 5824, 6188, 6422, 6656, 6916, 7072, 7168, 7616, 7904, 8398, 8512, 8704, 9044, 9464, 9728, 10336, 10816, 11492, 11648, 12376, 12844, 13312, 13832, 14144, 15232, 15808, 16796, 17024, 17408, 18088, 18928, 19456, 20111, 20672, 21632, 22477, 22984, 23296, 24752, 25688, 27664, 28288, 29393, 30464, 31616, 33592, 34048, 36176, 37856, 40222, 41344, 43264, 44954, 45968, 46592, 49504, 51376, 54587, 55328, 56576, 58786, 60928, 63232, 67184, 68096, 72352, 75712, 80444, 82688, 86528, 89908, 91936, 93184, 99008, 102752, 109174, 110656, 113152, 117572, 121856, 126464, 134368, 136192, 144704, 151424, 160888, 165376, 173056, 179816, 183872, 198016, 205504, 218348, 221312, 226304, 235144, 252928, 268736, 289408, 302848, 321776, 330752, 359632, 367744, 382109, 396032, 411008, 436696, 442624, 470288, 537472, 578816, 605696, 643552, 719264, 735488, 764218, 792064, 822016, 873392, 885248, 940576, 1074944, 1157632, 1211392, 1287104, 1438528, 1470976, 1528436, 1584128, 1644032, 1746784, 1770496, 1881152, 2149888, 2315264, 2574208, 2877056, 2941952, 3056872, 3288064, 3493568, 3762304, 4299776, 5148416, 5754112, 6113744, 6987136, 7524608, 10296832, 11508224, 12227488, 13974272, 15049216, 20593664, 23016448, 24454976, 27948544, 30098432, 48909952, 55897088, 97819904, 195639808, 391279616]

約数ペア:

[(1, 391279616), (2, 195639808), (4, 97819904), (7, 55897088), (8, 48909952), (13, 30098432), (14, 27948544), (16, 24454976), (17, 23016448), (19, 20593664), (26, 15049216), (28, 13974272), (32, 12227488), (34, 11508224), (38, 10296832), (52, 7524608), (56, 6987136), (64, 6113744), (68, 5754112), (76, 5148416), (91, 4299776), (104, 3762304), (112, 3493568), (119, 3288064), (128, 3056872), (133, 2941952), (136, 2877056), (152, 2574208), (169, 2315264), (182, 2149888), (208, 1881152), (221, 1770496), (224, 1746784), (238, 1644032), (247, 1584128), (256, 1528436), (266, 1470976), (272, 1438528), (304, 1287104), (323, 1211392), (338, 1157632), (364, 1074944), (416, 940576), (442, 885248), (448, 873392), (476, 822016), (494, 792064), (512, 764218), (532, 735488), (544, 719264), (608, 643552), (646, 605696), (676, 578816), (728, 537472), (832, 470288), (884, 442624), (896, 436696), (952, 411008), (988, 396032), (1024, 382109), (1064, 367744), (1088, 359632), (1183, 330752), (1216, 321776), (1292, 302848), (1352, 289408), (1456, 268736), (1547, 252928), (1664, 235144), (1729, 226304), (1768, 221312), (1792, 218348), (1904, 205504), (1976, 198016), (2128, 183872), (2176, 179816), (2261, 173056), (2366, 165376), (2432, 160888), (2584, 151424), (2704, 144704), (2873, 136192), (2912, 134368), (3094, 126464), (3211, 121856), (3328, 117572), (3458, 113152), (3536, 110656), (3584, 109174), (3808, 102752), (3952, 99008), (4199, 93184), (4256, 91936), (4352, 89908), (4522, 86528), (4732, 82688), (4864, 80444), (5168, 75712), (5408, 72352), (5746, 68096), (5824, 67184), (6188, 63232), (6422, 60928), (6656, 58786), (6916, 56576), (7072, 55328), (7168, 54587), (7616, 51376), (7904, 49504), (8398, 46592), (8512, 45968), (8704, 44954), (9044, 43264), (9464, 41344), (9728, 40222), (10336, 37856), (10816, 36176), (11492, 34048), (11648, 33592), (12376, 31616), (12844, 30464), (13312, 29393), (13832, 28288), (14144, 27664), (15232, 25688), (15808, 24752), (16796, 23296), (17024, 22984), (17408, 22477), (18088, 21632), (18928, 20672), (19456, 20111)]