66671969

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{38561}}^1$

素因数の和:38600

約数の個数: 16

約数和(自身を含む): 86378880

約数和(自身を除く): 19706911

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 38561, 269927, 501293, 732659, 3509051, 5128613, 9524567, 66671969]

約数ペア:

[(1, 66671969), (7, 9524567), (13, 5128613), (19, 3509051), (91, 732659), (133, 501293), (247, 269927), (1729, 38561)]