80291156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4691}}^1$

素因数の和:5095

約数の個数: 24

約数和(自身を含む): 153709920

約数和(自身を除く): 73418764

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 1556, 4279, 4691, 8558, 9382, 17116, 18764, 51601, 103202, 206404, 1824799, 3649598, 7299196, 20072789, 40145578, 80291156]

約数ペア:

[(1, 80291156), (2, 40145578), (4, 20072789), (11, 7299196), (22, 3649598), (44, 1824799), (389, 206404), (778, 103202), (1556, 51601), (4279, 18764), (4691, 17116), (8558, 9382)]