64857910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{498907}}^1$

素因数の和:498927

約数の個数: 16

約数和(自身を含む): 125724816

約数和(自身を除く): 60866906

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 498907, 997814, 2494535, 4989070, 6485791, 12971582, 32428955, 64857910]

約数ペア:

[(1, 64857910), (2, 32428955), (5, 12971582), (10, 6485791), (13, 4989070), (26, 2494535), (65, 997814), (130, 498907)]