28431355

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{491}}^1$

素因数の和:846

約数の個数: 16

約数和(自身を含む): 35223264

約数和(自身を除く): 6791909

約数列:

[1, 5, 37, 185, 313, 491, 1565, 2455, 11581, 18167, 57905, 90835, 153683, 768415, 5686271, 28431355]

約数ペア:

[(1, 28431355), (5, 5686271), (37, 768415), (185, 153683), (313, 90835), (491, 57905), (1565, 18167), (2455, 11581)]