145017925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{3257}}^1$

素因数の和:3417

約数の個数: 24

約数和(自身を含む): 195128136

約数和(自身を除く): 50110211

約数列:

[1, 5, 13, 25, 65, 137, 325, 685, 1781, 3257, 3425, 8905, 16285, 42341, 44525, 81425, 211705, 446209, 1058525, 2231045, 5800717, 11155225, 29003585, 145017925]

約数ペア:

[(1, 145017925), (5, 29003585), (13, 11155225), (25, 5800717), (65, 2231045), (137, 1058525), (325, 446209), (685, 211705), (1781, 81425), (3257, 44525), (3425, 42341), (8905, 16285)]