7284290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 14258160

約数和(自身を除く): 6973870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 409, 685, 818, 1370, 1781, 2045, 3562, 4090, 5317, 8905, 10634, 17810, 26585, 53170, 56033, 112066, 280165, 560330, 728429, 1456858, 3642145, 7284290]

約数ペア:

[(1, 7284290), (2, 3642145), (5, 1456858), (10, 728429), (13, 560330), (26, 280165), (65, 112066), (130, 56033), (137, 53170), (274, 26585), (409, 17810), (685, 10634), (818, 8905), (1370, 5317), (1781, 4090), (2045, 3562)]