78542704

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{31267}}^1$

素因数の和:31432

約数の個数: 20

約数和(自身を含む): 153150664

約数和(自身を除く): 74607960

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 31267, 62534, 125068, 250136, 500272, 4908919, 9817838, 19635676, 39271352, 78542704]

約数ペア:

[(1, 78542704), (2, 39271352), (4, 19635676), (8, 9817838), (16, 4908919), (157, 500272), (314, 250136), (628, 125068), (1256, 62534), (2512, 31267)]