64665872

素因数分解:

$2^4\times {\mathrm{103}}^1\times {\mathrm{39239}}^1$

素因数の和:39350

約数の個数: 20

約数和(自身を含む): 126509760

約数和(自身を除く): 61843888

約数列:

[1, 2, 4, 8, 16, 103, 206, 412, 824, 1648, 39239, 78478, 156956, 313912, 627824, 4041617, 8083234, 16166468, 32332936, 64665872]

約数ペア:

[(1, 64665872), (2, 32332936), (4, 16166468), (8, 8083234), (16, 4041617), (103, 627824), (206, 313912), (412, 156956), (824, 78478), (1648, 39239)]