40231009

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 50877288

約数和(自身を除く): 10646279

約数列:

[1, 7, 13, 49, 91, 137, 461, 637, 959, 1781, 3227, 5993, 6713, 12467, 22589, 41951, 63157, 87269, 293657, 442099, 821041, 3094693, 5747287, 40231009]

約数ペア:

[(1, 40231009), (7, 5747287), (13, 3094693), (49, 821041), (91, 442099), (137, 293657), (461, 87269), (637, 63157), (959, 41951), (1781, 22589), (3227, 12467), (5993, 6713)]