63281660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243391}}^1$

素因数の和:243413

約数の個数: 24

約数和(自身を含む): 143114496

約数和(自身を除く): 79832836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 243391, 486782, 973564, 1216955, 2433910, 3164083, 4867820, 6328166, 12656332, 15820415, 31640830, 63281660]

約数ペア:

[(1, 63281660), (2, 31640830), (4, 15820415), (5, 12656332), (10, 6328166), (13, 4867820), (20, 3164083), (26, 2433910), (52, 1216955), (65, 973564), (130, 486782), (260, 243391)]