9780122518

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1\times {\mathrm{70309}}^1$

素因数の和:70911

約数の個数: 16

約数和(自身を含む): 14797161360

約数和(自身を除く): 5017038842

約数列:

[1, 2, 157, 314, 443, 886, 69551, 70309, 139102, 140618, 11038513, 22077026, 31146887, 62293774, 4890061259, 9780122518]

約数ペア:

[(1, 9780122518), (2, 4890061259), (157, 62293774), (314, 31146887), (443, 22077026), (886, 11038513), (69551, 140618), (70309, 139102)]