868881494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{240421}}^1$

素因数の和:240575

約数の個数: 16

約数和(自身を含む): 1413681360

約数和(自身を除く): 544799866

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 240421, 480842, 3125473, 6250946, 33418519, 66837038, 434440747, 868881494]

約数ペア:

[(1, 868881494), (2, 434440747), (13, 66837038), (26, 33418519), (139, 6250946), (278, 3125473), (1807, 480842), (3614, 240421)]