127240718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1\times {\mathrm{409}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 212544000

約数和(自身を除く): 85303282

約数列:

[1, 2, 11, 22, 79, 158, 179, 358, 409, 818, 869, 1738, 1969, 3938, 4499, 8998, 14141, 28282, 32311, 64622, 73211, 146422, 155551, 311102, 355421, 710842, 805321, 1610642, 5783669, 11567338, 63620359, 127240718]

約数ペア:

[(1, 127240718), (2, 63620359), (11, 11567338), (22, 5783669), (79, 1610642), (158, 805321), (179, 710842), (358, 355421), (409, 311102), (818, 155551), (869, 146422), (1738, 73211), (1969, 64622), (3938, 32311), (4499, 28282), (8998, 14141)]