404718145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{327707}}^1$

素因数の和:327744

約数の個数: 16

約数和(自身を含む): 550549440

約数和(自身を除く): 145831295

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 327707, 1638535, 4260191, 6226433, 21300955, 31132165, 80943629, 404718145]

約数ペア:

[(1, 404718145), (5, 80943629), (13, 31132165), (19, 21300955), (65, 6226433), (95, 4260191), (247, 1638535), (1235, 327707)]