821497685

素因数分解:

$5^1\times {\mathrm{191}}^1\times {\mathrm{419}}^1\times {\mathrm{2053}}^1$

素因数の和:2668

約数の個数: 16

約数和(自身を含む): 993807360

約数和(自身を除く): 172309675

約数列:

[1, 5, 191, 419, 955, 2053, 2095, 10265, 80029, 392123, 400145, 860207, 1960615, 4301035, 164299537, 821497685]

約数ペア:

[(1, 821497685), (5, 164299537), (191, 4301035), (419, 1960615), (955, 860207), (2053, 400145), (2095, 392123), (10265, 80029)]