128207956

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{2251}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 232676640

約数和(自身を除く): 104468684

約数列:

[1, 2, 4, 29, 58, 116, 491, 982, 1964, 2251, 4502, 9004, 14239, 28478, 56956, 65279, 130558, 261116, 1105241, 2210482, 4420964, 32051989, 64103978, 128207956]

約数ペア:

[(1, 128207956), (2, 64103978), (4, 32051989), (29, 4420964), (58, 2210482), (116, 1105241), (491, 261116), (982, 130558), (1964, 65279), (2251, 56956), (4502, 28478), (9004, 14239)]