123886225

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{6779}}^1$

素因数の和:6849

約数の個数: 24

約数和(自身を含む): 166462560

約数和(自身を除く): 42576335

約数列:

[1, 5, 17, 25, 43, 85, 215, 425, 731, 1075, 3655, 6779, 18275, 33895, 115243, 169475, 291497, 576215, 1457485, 2881075, 4955449, 7287425, 24777245, 123886225]

約数ペア:

[(1, 123886225), (5, 24777245), (17, 7287425), (25, 4955449), (43, 2881075), (85, 1457485), (215, 576215), (425, 291497), (731, 169475), (1075, 115243), (3655, 33895), (6779, 18275)]