30991714

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70117}}^1$

素因数の和:70149

約数の個数: 16

約数和(自身を含む): 53009208

約数和(自身を除く): 22017494

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 70117, 140234, 911521, 1191989, 1823042, 2383978, 15495857, 30991714]

約数ペア:

[(1, 30991714), (2, 15495857), (13, 2383978), (17, 1823042), (26, 1191989), (34, 911521), (221, 140234), (442, 70117)]