56903405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20359}}^1$

素因数の和:20420

約数の個数: 16

約数和(自身を含む): 75250560

約数和(自身を除く): 18347155

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 20359, 101795, 264667, 875437, 1323335, 4377185, 11380681, 56903405]

約数ペア:

[(1, 56903405), (5, 11380681), (13, 4377185), (43, 1323335), (65, 875437), (215, 264667), (559, 101795), (2795, 20359)]