1231262

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 16

約数和(自身を含む): 1921920

約数和(自身を除く): 690658

約数列:

[1, 2, 43, 86, 103, 139, 206, 278, 4429, 5977, 8858, 11954, 14317, 28634, 615631, 1231262]

約数ペア:

[(1, 1231262), (2, 615631), (43, 28634), (86, 14317), (103, 11954), (139, 8858), (206, 5977), (278, 4429)]