225162925

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:562

約数の個数: 36

約数和(自身を含む): 305320860

約数和(自身を除く): 80157935

約数列:

[1, 5, 13, 25, 65, 137, 169, 325, 389, 685, 845, 1781, 1945, 3425, 4225, 5057, 8905, 9725, 23153, 25285, 44525, 53293, 65741, 115765, 126425, 266465, 328705, 578825, 692809, 1332325, 1643525, 3464045, 9006517, 17320225, 45032585, 225162925]

約数ペア:

[(1, 225162925), (5, 45032585), (13, 17320225), (25, 9006517), (65, 3464045), (137, 1643525), (169, 1332325), (325, 692809), (389, 578825), (685, 328705), (845, 266465), (1781, 126425), (1945, 115765), (3425, 65741), (4225, 53293), (5057, 44525), (8905, 25285), (9725, 23153)]