15907985

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:448

約数の個数: 16

約数和(自身を含む): 19483200

約数和(自身を除く): 3575215

約数列:

[1, 5, 131, 149, 163, 655, 745, 815, 19519, 21353, 24287, 97595, 106765, 121435, 3181597, 15907985]

約数ペア:

[(1, 15907985), (5, 3181597), (131, 121435), (149, 106765), (163, 97595), (655, 24287), (745, 21353), (815, 19519)]