128662402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 214905600

約数和(自身を除く): 86243198

約数列:

[1, 2, 11, 22, 79, 158, 181, 362, 409, 818, 869, 1738, 1991, 3982, 4499, 8998, 14299, 28598, 32311, 64622, 74029, 148058, 157289, 314578, 355421, 710842, 814319, 1628638, 5848291, 11696582, 64331201, 128662402]

約数ペア:

[(1, 128662402), (2, 64331201), (11, 11696582), (22, 5848291), (79, 1628638), (158, 814319), (181, 710842), (362, 355421), (409, 314578), (818, 157289), (869, 148058), (1738, 74029), (1991, 64622), (3982, 32311), (4499, 28598), (8998, 14299)]