90257531

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^2\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 113752800

約数和(自身を除く): 23495269

約数列:

[1, 7, 13, 47, 91, 329, 449, 611, 2209, 3143, 4277, 5837, 15463, 21103, 28717, 40859, 147721, 201019, 274339, 991841, 1920373, 6942887, 12893933, 90257531]

約数ペア:

[(1, 90257531), (7, 12893933), (13, 6942887), (47, 1920373), (91, 991841), (329, 274339), (449, 201019), (611, 147721), (2209, 40859), (3143, 28717), (4277, 21103), (5837, 15463)]