426657025

素因数分解:

$5^2\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{2081}}^1$

素因数の和:2289

約数の個数: 24

約数和(自身を含む): 542152800

約数和(自身を除く): 115495775

約数列:

[1, 5, 25, 59, 139, 295, 695, 1475, 2081, 3475, 8201, 10405, 41005, 52025, 122779, 205025, 289259, 613895, 1446295, 3069475, 7231475, 17066281, 85331405, 426657025]

約数ペア:

[(1, 426657025), (5, 85331405), (25, 17066281), (59, 7231475), (139, 3069475), (295, 1446295), (695, 613895), (1475, 289259), (2081, 205025), (3475, 122779), (8201, 52025), (10405, 41005)]