55131856

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{20389}}^1$

素因数の和:20423

約数の個数: 30

約数和(自身を含む): 115672470

約数和(自身を除く): 60540614

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 20389, 40778, 81556, 163112, 265057, 326224, 530114, 1060228, 2120456, 3445741, 4240912, 6891482, 13782964, 27565928, 55131856]

約数ペア:

[(1, 55131856), (2, 27565928), (4, 13782964), (8, 6891482), (13, 4240912), (16, 3445741), (26, 2120456), (52, 1060228), (104, 530114), (169, 326224), (208, 265057), (338, 163112), (676, 81556), (1352, 40778), (2704, 20389)]