216989734

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{490927}}^1$

素因数の和:490959

約数の個数: 16

約数和(自身を含む): 371141568

約数和(自身を除く): 154151834

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 490927, 981854, 6382051, 8345759, 12764102, 16691518, 108494867, 216989734]

約数ペア:

[(1, 216989734), (2, 108494867), (13, 16691518), (17, 12764102), (26, 8345759), (34, 6382051), (221, 981854), (442, 490927)]