15978907

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 18712512

約数和(自身を除く): 2733605

約数列:

[1, 7, 97, 101, 233, 679, 707, 1631, 9797, 22601, 23533, 68579, 158207, 164731, 2282701, 15978907]

約数ペア:

[(1, 15978907), (7, 2282701), (97, 164731), (101, 158207), (233, 68579), (679, 23533), (707, 22601), (1631, 9797)]