12768275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2311}}^1$

素因数の和:2351

約数の個数: 24

約数和(自身を含む): 18061344

約数和(自身を除く): 5293069

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2311, 5525, 11555, 30043, 39287, 57775, 150215, 196435, 510731, 751075, 982175, 2553655, 12768275]

約数ペア:

[(1, 12768275), (5, 2553655), (13, 982175), (17, 751075), (25, 510731), (65, 196435), (85, 150215), (221, 57775), (325, 39287), (425, 30043), (1105, 11555), (2311, 5525)]