127904512

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 72

約数和(自身を含む): 268434432

約数和(自身を除く): 140529920

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 128, 142, 227, 248, 256, 284, 454, 496, 568, 908, 992, 1136, 1816, 1984, 2201, 2272, 3632, 3968, 4402, 4544, 7037, 7264, 7936, 8804, 9088, 14074, 14528, 16117, 17608, 18176, 28148, 29056, 32234, 35216, 56296, 58112, 64468, 70432, 112592, 128936, 140864, 225184, 257872, 281728, 450368, 499627, 515744, 563456, 900736, 999254, 1031488, 1801472, 1998508, 2062976, 3997016, 4125952, 7994032, 15988064, 31976128, 63952256, 127904512]

約数ペア:

[(1, 127904512), (2, 63952256), (4, 31976128), (8, 15988064), (16, 7994032), (31, 4125952), (32, 3997016), (62, 2062976), (64, 1998508), (71, 1801472), (124, 1031488), (128, 999254), (142, 900736), (227, 563456), (248, 515744), (256, 499627), (284, 450368), (454, 281728), (496, 257872), (568, 225184), (908, 140864), (992, 128936), (1136, 112592), (1816, 70432), (1984, 64468), (2201, 58112), (2272, 56296), (3632, 35216), (3968, 32234), (4402, 29056), (4544, 28148), (7037, 18176), (7264, 17608), (7936, 16117), (8804, 14528), (9088, 14074)]