64667915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1361}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 90611136

約数和(自身を除く): 25943221

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 1361, 2795, 3655, 6805, 9503, 17693, 23137, 47515, 58523, 88465, 115685, 292615, 300781, 760799, 994891, 1503905, 3803995, 4974455, 12933583, 64667915]

約数ペア:

[(1, 64667915), (5, 12933583), (13, 4974455), (17, 3803995), (43, 1503905), (65, 994891), (85, 760799), (215, 300781), (221, 292615), (559, 115685), (731, 88465), (1105, 58523), (1361, 47515), (2795, 23137), (3655, 17693), (6805, 9503)]