664698515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{1459}}^1$

素因数の和:1683

約数の個数: 32

約数和(自身を含む): 884970240

約数和(自身を除く): 220271725

約数列:

[1, 5, 13, 43, 65, 163, 215, 559, 815, 1459, 2119, 2795, 7009, 7295, 10595, 18967, 35045, 62737, 91117, 94835, 237817, 313685, 455585, 815581, 1189085, 3091621, 4077905, 10226131, 15458105, 51130655, 132939703, 664698515]

約数ペア:

[(1, 664698515), (5, 132939703), (13, 51130655), (43, 15458105), (65, 10226131), (163, 4077905), (215, 3091621), (559, 1189085), (815, 815581), (1459, 455585), (2119, 313685), (2795, 237817), (7009, 94835), (7295, 91117), (10595, 62737), (18967, 35045)]