17640961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 19953360

約数和(自身を除く): 2312399

約数列:

[1, 13, 29, 73, 377, 641, 949, 2117, 8333, 18589, 27521, 46793, 241657, 608309, 1356997, 17640961]

約数ペア:

[(1, 17640961), (13, 1356997), (29, 608309), (73, 241657), (377, 46793), (641, 27521), (949, 18589), (2117, 8333)]