128445512

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{13877}}^1$

素因数の和:13985

約数の個数: 32

約数和(自身を含む): 262294200

約数和(自身を除く): 133848688

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 13877, 27754, 55508, 111016, 180401, 360802, 721604, 1235053, 1443208, 2470106, 4940212, 9880424, 16055689, 32111378, 64222756, 128445512]

約数ペア:

[(1, 128445512), (2, 64222756), (4, 32111378), (8, 16055689), (13, 9880424), (26, 4940212), (52, 2470106), (89, 1443208), (104, 1235053), (178, 721604), (356, 360802), (712, 180401), (1157, 111016), (2314, 55508), (4628, 27754), (9256, 13877)]