7661225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 11165952

約数和(自身を除く): 3504727

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 2143, 3575, 10715, 23573, 27859, 53575, 117865, 139295, 306449, 589325, 696475, 1532245, 7661225]

約数ペア:

[(1, 7661225), (5, 1532245), (11, 696475), (13, 589325), (25, 306449), (55, 139295), (65, 117865), (143, 53575), (275, 27859), (325, 23573), (715, 10715), (2143, 3575)]