158978842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{20129}}^1$

素因数の和:20501

約数の個数: 16

約数和(自身を含む): 260884800

約数和(自身を除く): 101905958

約数列:

[1, 2, 11, 22, 359, 718, 3949, 7898, 20129, 40258, 221419, 442838, 7226311, 14452622, 79489421, 158978842]

約数ペア:

[(1, 158978842), (2, 79489421), (11, 14452622), (22, 7226311), (359, 442838), (718, 221419), (3949, 40258), (7898, 20129)]