64661285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 89268480

約数和(自身を除く): 24607195

約数列:

[1, 5, 13, 17, 65, 85, 163, 221, 359, 815, 1105, 1795, 2119, 2771, 4667, 6103, 10595, 13855, 23335, 30515, 36023, 58517, 79339, 180115, 292585, 396695, 760721, 994789, 3803605, 4973945, 12932257, 64661285]

約数ペア:

[(1, 64661285), (5, 12932257), (13, 4973945), (17, 3803605), (65, 994789), (85, 760721), (163, 396695), (221, 292585), (359, 180115), (815, 79339), (1105, 58517), (1795, 36023), (2119, 30515), (2771, 23335), (4667, 13855), (6103, 10595)]