157980457838

素因数分解:

$2^1\times 7^1\times {\mathrm{20509}}^1\times {\mathrm{550213}}^1$

素因数の和:570731

約数の個数: 16

約数和(自身を含む): 270837339360

約数和(自身を除く): 112856881522

約数列:

[1, 2, 7, 14, 20509, 41018, 143563, 287126, 550213, 1100426, 3851491, 7702982, 11284318417, 22568636834, 78990228919, 157980457838]

約数ペア:

[(1, 157980457838), (2, 78990228919), (7, 22568636834), (14, 11284318417), (20509, 7702982), (41018, 3851491), (143563, 1100426), (287126, 550213)]