28783205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{1249}}^1$

素因数の和:1684

約数の個数: 16

約数和(自身を含む): 37800000

約数和(自身を除く): 9016795

約数列:

[1, 5, 11, 55, 419, 1249, 2095, 4609, 6245, 13739, 23045, 68695, 523331, 2616655, 5756641, 28783205]

約数ペア:

[(1, 28783205), (5, 5756641), (11, 2616655), (55, 523331), (419, 68695), (1249, 23045), (2095, 13739), (4609, 6245)]