287515475

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{4003}}^1$

素因数の和:4056

約数の個数: 36

約数和(自身を含む): 408864456

約数和(自身を除く): 121348981

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1105, 2873, 4003, 4225, 5525, 14365, 20015, 52039, 68051, 71825, 100075, 260195, 340255, 676507, 884663, 1300975, 1701275, 3382535, 4423315, 11500619, 16912675, 22116575, 57503095, 287515475]

約数ペア:

[(1, 287515475), (5, 57503095), (13, 22116575), (17, 16912675), (25, 11500619), (65, 4423315), (85, 3382535), (169, 1701275), (221, 1300975), (325, 884663), (425, 676507), (845, 340255), (1105, 260195), (2873, 100075), (4003, 71825), (4225, 68051), (5525, 52039), (14365, 20015)]