664849919

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{2027}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 714180480

約数和(自身を除く): 49330561

約数列:

[1, 19, 61, 283, 1159, 2027, 5377, 17263, 38513, 123647, 327997, 573641, 2349293, 10899179, 34992101, 664849919]

約数ペア:

[(1, 664849919), (19, 34992101), (61, 10899179), (283, 2349293), (1159, 573641), (2027, 327997), (5377, 123647), (17263, 38513)]