664649615

素因数分解:

$5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1\times {\mathrm{1031}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 926125056

約数和(自身を除く): 261475441

約数列:

[1, 5, 7, 35, 113, 163, 565, 791, 815, 1031, 1141, 3955, 5155, 5705, 7217, 18419, 36085, 92095, 116503, 128933, 168053, 582515, 644665, 815521, 840265, 1176371, 4077605, 5881855, 18989989, 94949945, 132929923, 664649615]

約数ペア:

[(1, 664649615), (5, 132929923), (7, 94949945), (35, 18989989), (113, 5881855), (163, 4077605), (565, 1176371), (791, 840265), (815, 815521), (1031, 644665), (1141, 582515), (3955, 168053), (5155, 128933), (5705, 116503), (7217, 92095), (18419, 36085)]