81155974

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{3851}}^1$

素因数の和:4151

約数の個数: 16

約数和(自身を含む): 125220816

約数和(自身を除く): 44064842

約数列:

[1, 2, 41, 82, 257, 514, 3851, 7702, 10537, 21074, 157891, 315782, 989707, 1979414, 40577987, 81155974]

約数ペア:

[(1, 81155974), (2, 40577987), (41, 1979414), (82, 989707), (257, 315782), (514, 157891), (3851, 21074), (7702, 10537)]