66409156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{137209}}^1$

素因数の和:137235

約数の個数: 18

約数和(自身を含む): 127742510

約数和(自身を除く): 61333354

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 137209, 274418, 548836, 1509299, 3018598, 6037196, 16602289, 33204578, 66409156]

約数ペア:

[(1, 66409156), (2, 33204578), (4, 16602289), (11, 6037196), (22, 3018598), (44, 1509299), (121, 548836), (242, 274418), (484, 137209)]