209718866

素因数分解:

$2^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{30509}}^1$

素因数の和:31009

約数の個数: 16

約数和(自身を含む): 360262080

約数和(自身を除く): 150543214

約数列:

[1, 2, 7, 14, 491, 982, 3437, 6874, 30509, 61018, 213563, 427126, 14979919, 29959838, 104859433, 209718866]

約数ペア:

[(1, 209718866), (2, 104859433), (7, 29959838), (14, 14979919), (491, 427126), (982, 213563), (3437, 61018), (6874, 30509)]