201212109878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{13997}}^1\times {\mathrm{552899}}^1$

素因数の和:566911

約数の個数: 16

約数和(自身を含む): 325058756400

約数和(自身を除く): 123846646522

約数列:

[1, 2, 13, 26, 13997, 27994, 181961, 363922, 552899, 1105798, 7187687, 14375374, 7738927303, 15477854606, 100606054939, 201212109878]

約数ペア:

[(1, 201212109878), (2, 100606054939), (13, 15477854606), (26, 7738927303), (13997, 14375374), (27994, 7187687), (181961, 1105798), (363922, 552899)]