486578690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{70621}}^1$

素因数の和:70694

約数の個数: 32

約数和(自身を含む): 961024176

約数和(自身を除く): 474445486

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 265, 530, 689, 1378, 3445, 6890, 70621, 141242, 353105, 706210, 918073, 1836146, 3742913, 4590365, 7485826, 9180730, 18714565, 37429130, 48657869, 97315738, 243289345, 486578690]

約数ペア:

[(1, 486578690), (2, 243289345), (5, 97315738), (10, 48657869), (13, 37429130), (26, 18714565), (53, 9180730), (65, 7485826), (106, 4590365), (130, 3742913), (265, 1836146), (530, 918073), (689, 706210), (1378, 353105), (3445, 141242), (6890, 70621)]