56142905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 83537664

約数和(自身を除く): 27394759

約数列:

[1, 5, 7, 13, 35, 65, 91, 163, 455, 757, 815, 1141, 2119, 3785, 5299, 5705, 9841, 10595, 14833, 26495, 49205, 68887, 74165, 123391, 344435, 616955, 863737, 1604083, 4318685, 8020415, 11228581, 56142905]

約数ペア:

[(1, 56142905), (5, 11228581), (7, 8020415), (13, 4318685), (35, 1604083), (65, 863737), (91, 616955), (163, 344435), (455, 123391), (757, 74165), (815, 68887), (1141, 49205), (2119, 26495), (3785, 14833), (5299, 10595), (5705, 9841)]