66190225

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 85004480

約数和(自身を除く): 18814255

約数列:

[1, 5, 25, 37, 163, 185, 439, 815, 925, 2195, 4075, 6031, 10975, 16243, 30155, 71557, 81215, 150775, 357785, 406075, 1788925, 2647609, 13238045, 66190225]

約数ペア:

[(1, 66190225), (5, 13238045), (25, 2647609), (37, 1788925), (163, 406075), (185, 357785), (439, 150775), (815, 81215), (925, 71557), (2195, 30155), (4075, 16243), (6031, 10975)]