189969475

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{1009}}^1$

素因数の和:1479

約数の個数: 24

約数和(自身を含む): 250229520

約数和(自身を除く): 60260045

約数列:

[1, 5, 17, 25, 85, 425, 443, 1009, 2215, 5045, 7531, 11075, 17153, 25225, 37655, 85765, 188275, 428825, 446987, 2234935, 7598779, 11174675, 37993895, 189969475]

約数ペア:

[(1, 189969475), (5, 37993895), (17, 11174675), (25, 7598779), (85, 2234935), (425, 446987), (443, 428825), (1009, 188275), (2215, 85765), (5045, 37655), (7531, 25225), (11075, 17153)]