68879921

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2371}}^1$

素因数の和:2540

約数の個数: 16

約数和(自身を含む): 79699200

約数和(自身を除く): 10819279

約数列:

[1, 11, 19, 139, 209, 1529, 2371, 2641, 26081, 29051, 45049, 329569, 495539, 3625259, 6261811, 68879921]

約数ペア:

[(1, 68879921), (11, 6261811), (19, 3625259), (139, 495539), (209, 329569), (1529, 45049), (2371, 29051), (2641, 26081)]