81199604

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{607}}^1\times {\mathrm{631}}^1$

素因数の和:1295

約数の個数: 24

約数和(自身を含む): 145248768

約数和(自身を除く): 64049164

約数列:

[1, 2, 4, 53, 106, 212, 607, 631, 1214, 1262, 2428, 2524, 32171, 33443, 64342, 66886, 128684, 133772, 383017, 766034, 1532068, 20299901, 40599802, 81199604]

約数ペア:

[(1, 81199604), (2, 40599802), (4, 20299901), (53, 1532068), (106, 766034), (212, 383017), (607, 133772), (631, 128684), (1214, 66886), (1262, 64342), (2428, 33443), (2524, 32171)]