15988427

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7639}}^1$

素因数の和:7682

約数の個数: 16

約数和(自身を含む): 20536320

約数和(自身を除く): 4547893

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 7639, 53473, 99307, 175697, 695149, 1229879, 2284061, 15988427]

約数ペア:

[(1, 15988427), (7, 2284061), (13, 1229879), (23, 695149), (91, 175697), (161, 99307), (299, 53473), (2093, 7639)]