90780865

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{2699}}^1$

素因数の和:2773

約数の個数: 24

約数和(自身を含む): 128692800

約数和(自身を除く): 37911935

約数列:

[1, 5, 7, 31, 35, 155, 217, 961, 1085, 2699, 4805, 6727, 13495, 18893, 33635, 83669, 94465, 418345, 585683, 2593739, 2928415, 12968695, 18156173, 90780865]

約数ペア:

[(1, 90780865), (5, 18156173), (7, 12968695), (31, 2928415), (35, 2593739), (155, 585683), (217, 418345), (961, 94465), (1085, 83669), (2699, 33635), (4805, 18893), (6727, 13495)]