397724626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{18587}}^1$

素因数の和:19425

約数の個数: 16

約数和(自身を含む): 643293504

約数和(自身を除く): 245568878

約数列:

[1, 2, 13, 26, 823, 1646, 10699, 18587, 21398, 37174, 241631, 483262, 15297101, 30594202, 198862313, 397724626]

約数ペア:

[(1, 397724626), (2, 198862313), (13, 30594202), (26, 15297101), (823, 483262), (1646, 241631), (10699, 37174), (18587, 21398)]