205328705

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 259799400

約数和(自身を除く): 54470695

約数列:

[1, 5, 23, 115, 149, 521, 529, 745, 2605, 2645, 3427, 11983, 17135, 59915, 77629, 78821, 275609, 388145, 394105, 1378045, 1785467, 8927335, 41065741, 205328705]

約数ペア:

[(1, 205328705), (5, 41065741), (23, 8927335), (115, 1785467), (149, 1378045), (521, 394105), (529, 388145), (745, 275609), (2605, 78821), (2645, 77629), (3427, 59915), (11983, 17135)]