645686210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4966817}}^1$

素因数の和:4966837

約数の個数: 16

約数和(自身を含む): 1251638136

約数和(自身を除く): 605951926

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4966817, 9933634, 24834085, 49668170, 64568621, 129137242, 322843105, 645686210]

約数ペア:

[(1, 645686210), (2, 322843105), (5, 129137242), (10, 64568621), (13, 49668170), (26, 24834085), (65, 9933634), (130, 4966817)]