68731216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{138571}}^1$

素因数の和:138610

約数の個数: 20

約数和(自身を含む): 137463424

約数和(自身を除く): 68732208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 138571, 277142, 554284, 1108568, 2217136, 4295701, 8591402, 17182804, 34365608, 68731216]

約数ペア:

[(1, 68731216), (2, 34365608), (4, 17182804), (8, 8591402), (16, 4295701), (31, 2217136), (62, 1108568), (124, 554284), (248, 277142), (496, 138571)]