641569078

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{491}}^1\times {\mathrm{6343}}^1$

素因数の和:6939

約数の個数: 16

約数和(自身を含む): 973829376

約数和(自身を除く): 332260298

約数列:

[1, 2, 103, 206, 491, 982, 6343, 12686, 50573, 101146, 653329, 1306658, 3114413, 6228826, 320784539, 641569078]

約数ペア:

[(1, 641569078), (2, 320784539), (103, 6228826), (206, 3114413), (491, 1306658), (982, 653329), (6343, 101146), (12686, 50573)]