222508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 458640

約数和(自身を除く): 236132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 389, 572, 778, 1556, 4279, 5057, 8558, 10114, 17116, 20228, 55627, 111254, 222508]

約数ペア:

[(1, 222508), (2, 111254), (4, 55627), (11, 20228), (13, 17116), (22, 10114), (26, 8558), (44, 5057), (52, 4279), (143, 1556), (286, 778), (389, 572)]