127126784

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 266472192

約数和(自身を除く): 139345408

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 83, 124, 128, 166, 193, 248, 256, 332, 386, 496, 664, 772, 992, 1328, 1544, 1984, 2573, 2656, 3088, 3968, 5146, 5312, 5983, 6176, 7936, 10292, 10624, 11966, 12352, 16019, 20584, 21248, 23932, 24704, 32038, 41168, 47864, 49408, 64076, 82336, 95728, 128152, 164672, 191456, 256304, 329344, 382912, 496589, 512608, 658688, 765824, 993178, 1025216, 1531648, 1986356, 2050432, 3972712, 4100864, 7945424, 15890848, 31781696, 63563392, 127126784]

約数ペア:

[(1, 127126784), (2, 63563392), (4, 31781696), (8, 15890848), (16, 7945424), (31, 4100864), (32, 3972712), (62, 2050432), (64, 1986356), (83, 1531648), (124, 1025216), (128, 993178), (166, 765824), (193, 658688), (248, 512608), (256, 496589), (332, 382912), (386, 329344), (496, 256304), (664, 191456), (772, 164672), (992, 128152), (1328, 95728), (1544, 82336), (1984, 64076), (2573, 49408), (2656, 47864), (3088, 41168), (3968, 32038), (5146, 24704), (5312, 23932), (5983, 21248), (6176, 20584), (7936, 16019), (10292, 12352), (10624, 11966)]