16899275

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{2339}}^1$

素因数の和:2383

約数の個数: 18

約数和(自身を含む): 22269780

約数和(自身を除く): 5370505

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 2339, 7225, 11695, 39763, 58475, 198815, 675971, 994075, 3379855, 16899275]

約数ペア:

[(1, 16899275), (5, 3379855), (17, 994075), (25, 675971), (85, 198815), (289, 58475), (425, 39763), (1445, 11695), (2339, 7225)]