201250225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{66529}}^1$

素因数の和:66561

約数の個数: 18

約数和(自身を含む): 274303190

約数和(自身を除く): 73052965

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 66529, 332645, 731819, 1663225, 3659095, 8050009, 18295475, 40250045, 201250225]

約数ペア:

[(1, 201250225), (5, 40250045), (11, 18295475), (25, 8050009), (55, 3659095), (121, 1663225), (275, 731819), (605, 332645), (3025, 66529)]