87870145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 120528000

約数和(自身を除く): 32657855

約数列:

[1, 5, 11, 29, 55, 89, 145, 319, 445, 619, 979, 1595, 2581, 3095, 4895, 6809, 12905, 17951, 28391, 34045, 55091, 89755, 141955, 197461, 275455, 606001, 987305, 1597639, 3030005, 7988195, 17574029, 87870145]

約数ペア:

[(1, 87870145), (5, 17574029), (11, 7988195), (29, 3030005), (55, 1597639), (89, 987305), (145, 606001), (319, 275455), (445, 197461), (619, 141955), (979, 89755), (1595, 55091), (2581, 34045), (3095, 28391), (4895, 17951), (6809, 12905)]