25815595

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 33941376

約数和(自身を除く): 8125781

約数列:

[1, 5, 13, 65, 137, 169, 223, 685, 845, 1115, 1781, 2899, 8905, 14495, 23153, 30551, 37687, 115765, 152755, 188435, 397163, 1985815, 5163119, 25815595]

約数ペア:

[(1, 25815595), (5, 5163119), (13, 1985815), (65, 397163), (137, 188435), (169, 152755), (223, 115765), (685, 37687), (845, 30551), (1115, 23153), (1781, 14495), (2899, 8905)]