78539108

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{478897}}^1$

素因数の和:478942

約数の個数: 12

約数和(自身を含む): 140796012

約数和(自身を除く): 62256904

約数列:

[1, 2, 4, 41, 82, 164, 478897, 957794, 1915588, 19634777, 39269554, 78539108]

約数ペア:

[(1, 78539108), (2, 39269554), (4, 19634777), (41, 1915588), (82, 957794), (164, 478897)]