55545556

素因数分解:

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

素因数の和:576

約数の個数: 48

約数和(自身を含む): 111041280

約数和(自身を除く): 55495724

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 101, 116, 202, 319, 404, 431, 638, 862, 1111, 1276, 1724, 2222, 2929, 4444, 4741, 5858, 9482, 11716, 12499, 18964, 24998, 32219, 43531, 49996, 64438, 87062, 128876, 137489, 174124, 274978, 478841, 549956, 957682, 1262399, 1915364, 2524798, 5049596, 13886389, 27772778, 55545556]

約数ペア:

[(1, 55545556), (2, 27772778), (4, 13886389), (11, 5049596), (22, 2524798), (29, 1915364), (44, 1262399), (58, 957682), (101, 549956), (116, 478841), (202, 274978), (319, 174124), (404, 137489), (431, 128876), (638, 87062), (862, 64438), (1111, 49996), (1276, 43531), (1724, 32219), (2222, 24998), (2929, 18964), (4444, 12499), (4741, 11716), (5858, 9482)]