209126975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{4889}}^1$

素因数の和:4987

約数の個数: 24

約数和(自身を含む): 272862000

約数和(自身を除く): 63735025

約数列:

[1, 5, 25, 29, 59, 145, 295, 725, 1475, 1711, 4889, 8555, 24445, 42775, 122225, 141781, 288451, 708905, 1442255, 3544525, 7211275, 8365079, 41825395, 209126975]

約数ペア:

[(1, 209126975), (5, 41825395), (25, 8365079), (29, 7211275), (59, 3544525), (145, 1442255), (295, 708905), (725, 288451), (1475, 141781), (1711, 122225), (4889, 42775), (8555, 24445)]