257301488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{1171}}^1$

素因数の和:1653

約数の個数: 40

約数和(自身を含む): 516205056

約数和(自身を除く): 258903568

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 443, 496, 886, 1171, 1772, 2342, 3544, 4684, 7088, 9368, 13733, 18736, 27466, 36301, 54932, 72602, 109864, 145204, 219728, 290408, 518753, 580816, 1037506, 2075012, 4150024, 8300048, 16081343, 32162686, 64325372, 128650744, 257301488]

約数ペア:

[(1, 257301488), (2, 128650744), (4, 64325372), (8, 32162686), (16, 16081343), (31, 8300048), (62, 4150024), (124, 2075012), (248, 1037506), (443, 580816), (496, 518753), (886, 290408), (1171, 219728), (1772, 145204), (2342, 109864), (3544, 72602), (4684, 54932), (7088, 36301), (9368, 27466), (13733, 18736)]