209420218

素因数分解:

$2^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{20747}}^1$

素因数の和:20866

約数の個数: 24

約数和(自身を含む): 368982432

約数和(自身を除く): 159562214

約数列:

[1, 2, 7, 14, 49, 98, 103, 206, 721, 1442, 5047, 10094, 20747, 41494, 145229, 290458, 1016603, 2033206, 2136941, 4273882, 14958587, 29917174, 104710109, 209420218]

約数ペア:

[(1, 209420218), (2, 104710109), (7, 29917174), (14, 14958587), (49, 4273882), (98, 2136941), (103, 2033206), (206, 1016603), (721, 290458), (1442, 145229), (5047, 41494), (10094, 20747)]