215533285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{9871}}^1$

素因数の和:10284

約数の個数: 16

約数和(自身を含む): 282892032

約数和(自身を除く): 67358747

約数列:

[1, 5, 11, 55, 397, 1985, 4367, 9871, 21835, 49355, 108581, 542905, 3918787, 19593935, 43106657, 215533285]

約数ペア:

[(1, 215533285), (5, 43106657), (11, 19593935), (55, 3918787), (397, 542905), (1985, 108581), (4367, 49355), (9871, 21835)]