2149474990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607}}^1\times {\mathrm{10289}}^1$

素因数の和:11916

約数の個数: 32

約数和(自身を含む): 4169672640

約数和(自身を除く): 2020197650

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1607, 3214, 8035, 10289, 16070, 20578, 20891, 41782, 51445, 102890, 104455, 133757, 208910, 267514, 668785, 1337570, 16534423, 33068846, 82672115, 165344230, 214947499, 429894998, 1074737495, 2149474990]

約数ペア:

[(1, 2149474990), (2, 1074737495), (5, 429894998), (10, 214947499), (13, 165344230), (26, 82672115), (65, 33068846), (130, 16534423), (1607, 1337570), (3214, 668785), (8035, 267514), (10289, 208910), (16070, 133757), (20578, 104455), (20891, 102890), (41782, 51445)]