68850509

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39821}}^1$

素因数の和:39860

約数の個数: 16

約数和(自身を含む): 89201280

約数和(自身を除く): 20350771

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 39821, 278747, 517673, 756599, 3623711, 5296193, 9835787, 68850509]

約数ペア:

[(1, 68850509), (7, 9835787), (13, 5296193), (19, 3623711), (91, 756599), (133, 517673), (247, 278747), (1729, 39821)]