197718976

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1997}}^1$

素因数の和:2046

約数の個数: 112

約数和(自身を含む): 511551936

約数和(自身を除く): 313832960

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 32, 34, 52, 56, 64, 68, 91, 104, 112, 119, 136, 182, 208, 221, 224, 238, 272, 364, 416, 442, 448, 476, 544, 728, 832, 884, 952, 1088, 1456, 1547, 1768, 1904, 1997, 2912, 3094, 3536, 3808, 3994, 5824, 6188, 7072, 7616, 7988, 12376, 13979, 14144, 15976, 24752, 25961, 27958, 31952, 33949, 49504, 51922, 55916, 63904, 67898, 99008, 103844, 111832, 127808, 135796, 181727, 207688, 223664, 237643, 271592, 363454, 415376, 441337, 447328, 475286, 543184, 726908, 830752, 882674, 894656, 950572, 1086368, 1453816, 1661504, 1765348, 1901144, 2172736, 2907632, 3089359, 3530696, 3802288, 5815264, 6178718, 7061392, 7604576, 11630528, 12357436, 14122784, 15209152, 24714872, 28245568, 49429744, 98859488, 197718976]

約数ペア:

[(1, 197718976), (2, 98859488), (4, 49429744), (7, 28245568), (8, 24714872), (13, 15209152), (14, 14122784), (16, 12357436), (17, 11630528), (26, 7604576), (28, 7061392), (32, 6178718), (34, 5815264), (52, 3802288), (56, 3530696), (64, 3089359), (68, 2907632), (91, 2172736), (104, 1901144), (112, 1765348), (119, 1661504), (136, 1453816), (182, 1086368), (208, 950572), (221, 894656), (224, 882674), (238, 830752), (272, 726908), (364, 543184), (416, 475286), (442, 447328), (448, 441337), (476, 415376), (544, 363454), (728, 271592), (832, 237643), (884, 223664), (952, 207688), (1088, 181727), (1456, 135796), (1547, 127808), (1768, 111832), (1904, 103844), (1997, 99008), (2912, 67898), (3094, 63904), (3536, 55916), (3808, 51922), (3994, 49504), (5824, 33949), (6188, 31952), (7072, 27958), (7616, 25961), (7988, 24752), (12376, 15976), (13979, 14144)]