16660553

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 20622336

約数和(自身を除く): 3961783

約数列:

[1, 7, 13, 91, 223, 821, 1561, 2899, 5747, 10673, 20293, 74711, 183083, 1281581, 2380079, 16660553]

約数ペア:

[(1, 16660553), (7, 2380079), (13, 1281581), (91, 183083), (223, 74711), (821, 20293), (1561, 10673), (2899, 5747)]