212905231

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{25367}}^1$

素因数の和:25494

約数の個数: 16

約数和(自身を含む): 267886080

約数和(自身を除く): 54980849

約数列:

[1, 7, 11, 77, 109, 763, 1199, 8393, 25367, 177569, 279037, 1953259, 2765003, 19355021, 30415033, 212905231]

約数ペア:

[(1, 212905231), (7, 30415033), (11, 19355021), (77, 2765003), (109, 1953259), (763, 279037), (1199, 177569), (8393, 25367)]