207977318

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{3581}}^1$

素因数の和:4063

約数の個数: 16

約数和(自身を含む): 317221920

約数和(自身を除く): 109244602

約数列:

[1, 2, 71, 142, 409, 818, 3581, 7162, 29039, 58078, 254251, 508502, 1464629, 2929258, 103988659, 207977318]

約数ペア:

[(1, 207977318), (2, 103988659), (71, 2929258), (142, 1464629), (409, 508502), (818, 254251), (3581, 58078), (7162, 29039)]