81724084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{21529}}^1$

素因数の和:21619

約数の個数: 24

約数和(自身を含む): 156135560

約数和(自身を除く): 74411476

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 21529, 43058, 86116, 279877, 559754, 1119508, 1571617, 3143234, 6286468, 20431021, 40862042, 81724084]

約数ペア:

[(1, 81724084), (2, 40862042), (4, 20431021), (13, 6286468), (26, 3143234), (52, 1571617), (73, 1119508), (146, 559754), (292, 279877), (949, 86116), (1898, 43058), (3796, 21529)]