209909516

素因数分解:

$2^2\times {\mathrm{5297}}^1\times {\mathrm{9907}}^1$

素因数の和:15208

約数の個数: 12

約数和(自身を含む): 367448088

約数和(自身を除く): 157538572

約数列:

[1, 2, 4, 5297, 9907, 10594, 19814, 21188, 39628, 52477379, 104954758, 209909516]

約数ペア:

[(1, 209909516), (2, 104954758), (4, 52477379), (5297, 39628), (9907, 21188), (10594, 19814)]