257055472

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{3301}}^1$

素因数の和:3497

約数の個数: 40

約数和(自身を含む): 517542272

約数和(自身を除く): 260486800

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 628, 1256, 2512, 3301, 4867, 6602, 9734, 13204, 19468, 26408, 38936, 52816, 77872, 102331, 204662, 409324, 518257, 818648, 1036514, 1637296, 2073028, 4146056, 8292112, 16065967, 32131934, 64263868, 128527736, 257055472]

約数ペア:

[(1, 257055472), (2, 128527736), (4, 64263868), (8, 32131934), (16, 16065967), (31, 8292112), (62, 4146056), (124, 2073028), (157, 1637296), (248, 1036514), (314, 818648), (496, 518257), (628, 409324), (1256, 204662), (2512, 102331), (3301, 77872), (4867, 52816), (6602, 38936), (9734, 26408), (13204, 19468)]