257992488

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 192

約数和(自身を含む): 805896000

約数和(自身を除く): 547903512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 89, 104, 114, 117, 152, 156, 163, 171, 178, 228, 234, 247, 267, 312, 326, 342, 356, 456, 468, 489, 494, 534, 652, 684, 712, 741, 801, 936, 978, 988, 1068, 1157, 1304, 1368, 1467, 1482, 1602, 1691, 1956, 1976, 2119, 2136, 2223, 2314, 2934, 2964, 3097, 3204, 3382, 3471, 3912, 4238, 4446, 4628, 5073, 5868, 5928, 6194, 6357, 6408, 6764, 6942, 8476, 8892, 9256, 9291, 10146, 10413, 11736, 12388, 12714, 13528, 13884, 14507, 15219, 16952, 17784, 18582, 19071, 20292, 20826, 21983, 24776, 25428, 27768, 27873, 29014, 30438, 37164, 38142, 40261, 40584, 41652, 43521, 43966, 50856, 55746, 58028, 60876, 65949, 74328, 76284, 80522, 83304, 87042, 87932, 111492, 116056, 120783, 121752, 130563, 131898, 152568, 161044, 174084, 175864, 188591, 197847, 222984, 241566, 261126, 263796, 275633, 322088, 348168, 362349, 377182, 395694, 483132, 522252, 527592, 551266, 565773, 724698, 754364, 791388, 826899, 966264, 1044504, 1102532, 1131546, 1449396, 1508728, 1582776, 1653798, 1697319, 2205064, 2263092, 2480697, 2898792, 3307596, 3394638, 3583229, 4526184, 4961394, 6615192, 6789276, 7166458, 9922788, 10749687, 13578552, 14332916, 19845576, 21499374, 28665832, 32249061, 42998748, 64498122, 85997496, 128996244, 257992488]

約数ペア:

[(1, 257992488), (2, 128996244), (3, 85997496), (4, 64498122), (6, 42998748), (8, 32249061), (9, 28665832), (12, 21499374), (13, 19845576), (18, 14332916), (19, 13578552), (24, 10749687), (26, 9922788), (36, 7166458), (38, 6789276), (39, 6615192), (52, 4961394), (57, 4526184), (72, 3583229), (76, 3394638), (78, 3307596), (89, 2898792), (104, 2480697), (114, 2263092), (117, 2205064), (152, 1697319), (156, 1653798), (163, 1582776), (171, 1508728), (178, 1449396), (228, 1131546), (234, 1102532), (247, 1044504), (267, 966264), (312, 826899), (326, 791388), (342, 754364), (356, 724698), (456, 565773), (468, 551266), (489, 527592), (494, 522252), (534, 483132), (652, 395694), (684, 377182), (712, 362349), (741, 348168), (801, 322088), (936, 275633), (978, 263796), (988, 261126), (1068, 241566), (1157, 222984), (1304, 197847), (1368, 188591), (1467, 175864), (1482, 174084), (1602, 161044), (1691, 152568), (1956, 131898), (1976, 130563), (2119, 121752), (2136, 120783), (2223, 116056), (2314, 111492), (2934, 87932), (2964, 87042), (3097, 83304), (3204, 80522), (3382, 76284), (3471, 74328), (3912, 65949), (4238, 60876), (4446, 58028), (4628, 55746), (5073, 50856), (5868, 43966), (5928, 43521), (6194, 41652), (6357, 40584), (6408, 40261), (6764, 38142), (6942, 37164), (8476, 30438), (8892, 29014), (9256, 27873), (9291, 27768), (10146, 25428), (10413, 24776), (11736, 21983), (12388, 20826), (12714, 20292), (13528, 19071), (13884, 18582), (14507, 17784), (15219, 16952)]