13189115

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 16311456

約数和(自身を除く): 3122341

約数列:

[1, 5, 61, 83, 305, 415, 521, 2605, 5063, 25315, 31781, 43243, 158905, 216215, 2637823, 13189115]

約数ペア:

[(1, 13189115), (5, 2637823), (61, 216215), (83, 158905), (305, 43243), (415, 31781), (521, 25315), (2605, 5063)]