87128210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{670217}}^1$

素因数の和:670237

約数の個数: 16

約数和(自身を含む): 168894936

約数和(自身を除く): 81766726

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 670217, 1340434, 3351085, 6702170, 8712821, 17425642, 43564105, 87128210]

約数ペア:

[(1, 87128210), (2, 43564105), (5, 17425642), (10, 8712821), (13, 6702170), (26, 3351085), (65, 1340434), (130, 670217)]