218361754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{19949}}^1$

素因数の和:20385

約数の個数: 16

約数和(自身を含む): 353593800

約数和(自身を除く): 135232046

約数列:

[1, 2, 13, 26, 421, 842, 5473, 10946, 19949, 39898, 259337, 518674, 8398529, 16797058, 109180877, 218361754]

約数ペア:

[(1, 218361754), (2, 109180877), (13, 16797058), (26, 8398529), (421, 518674), (842, 259337), (5473, 39898), (10946, 19949)]