209419763

素因数分解:

$7^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{2131}}^1$

素因数の和:2378

約数の個数: 16

約数和(自身を含む): 243559680

約数和(自身を除く): 34139917

約数列:

[1, 7, 101, 139, 707, 973, 2131, 14039, 14917, 98273, 215231, 296209, 1506617, 2073463, 29917109, 209419763]

約数ペア:

[(1, 209419763), (7, 29917109), (101, 2073463), (139, 1506617), (707, 296209), (973, 215231), (2131, 98273), (14039, 14917)]