209500172

素因数分解:

$2^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{47657}}^1$

素因数の和:47825

約数の個数: 24

約数和(自身を含む): 421677984

約数和(自身を除く): 212177812

約数列:

[1, 2, 4, 7, 14, 28, 157, 314, 628, 1099, 2198, 4396, 47657, 95314, 190628, 333599, 667198, 1334396, 7482149, 14964298, 29928596, 52375043, 104750086, 209500172]

約数ペア:

[(1, 209500172), (2, 104750086), (4, 52375043), (7, 29928596), (14, 14964298), (28, 7482149), (157, 1334396), (314, 667198), (628, 333599), (1099, 190628), (2198, 95314), (4396, 47657)]