258486221126

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{971752711}}^1$

素因数の和:971752739

約数の個数: 16

約数和(自身を含む): 466441301760

約数和(自身を除く): 207955080634

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 971752711, 1943505422, 6802268977, 13604537954, 18463301509, 36926603018, 129243110563, 258486221126]

約数ペア:

[(1, 258486221126), (2, 129243110563), (7, 36926603018), (14, 18463301509), (19, 13604537954), (38, 6802268977), (133, 1943505422), (266, 971752711)]