205125720085

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1663}}^1\times {\mathrm{15683}}^1$

素因数の和:17386

約数の個数: 48

約数和(自身を含む): 291568822272

約数和(自身を除く): 86443102187

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 1663, 7865, 8315, 15683, 18293, 21619, 78415, 91465, 108095, 172513, 201223, 203879, 237809, 862565, 1006115, 1019395, 1189045, 1897643, 2242669, 2615899, 9488215, 11213345, 13079495, 24669359, 26080829, 123346795, 130404145, 286889119, 339050777, 1434445595, 1695253885, 3155780309, 3729558547, 15778901545, 18647792735, 41025144017, 205125720085]

約数ペア:

[(1, 205125720085), (5, 41025144017), (11, 18647792735), (13, 15778901545), (55, 3729558547), (65, 3155780309), (121, 1695253885), (143, 1434445595), (605, 339050777), (715, 286889119), (1573, 130404145), (1663, 123346795), (7865, 26080829), (8315, 24669359), (15683, 13079495), (18293, 11213345), (21619, 9488215), (78415, 2615899), (91465, 2242669), (108095, 1897643), (172513, 1189045), (201223, 1019395), (203879, 1006115), (237809, 862565)]