256103428

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{69821}}^1$

素因数の和:69963

約数の個数: 24

約数和(自身を含む): 516124224

約数和(自身を除く): 260020796

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 69821, 139642, 279284, 488747, 977494, 1954988, 9146551, 18293102, 36586204, 64025857, 128051714, 256103428]

約数ペア:

[(1, 256103428), (2, 128051714), (4, 64025857), (7, 36586204), (14, 18293102), (28, 9146551), (131, 1954988), (262, 977494), (524, 488747), (917, 279284), (1834, 139642), (3668, 69821)]