27772778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 47589120

約数和(自身を除く): 19816342

約数列:

[1, 2, 11, 22, 29, 58, 101, 202, 319, 431, 638, 862, 1111, 2222, 2929, 4741, 5858, 9482, 12499, 24998, 32219, 43531, 64438, 87062, 137489, 274978, 478841, 957682, 1262399, 2524798, 13886389, 27772778]

約数ペア:

[(1, 27772778), (2, 13886389), (11, 2524798), (22, 1262399), (29, 957682), (58, 478841), (101, 274978), (202, 137489), (319, 87062), (431, 64438), (638, 43531), (862, 32219), (1111, 24998), (2222, 12499), (2929, 9482), (4741, 5858)]