168355655260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647521751}}^1$

素因数の和:647521773

約数の個数: 24

約数和(自身を含む): 380742790176

約数和(自身を除く): 212387134916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 647521751, 1295043502, 2590087004, 3237608755, 6475217510, 8417782763, 12950435020, 16835565526, 33671131052, 42088913815, 84177827630, 168355655260]

約数ペア:

[(1, 168355655260), (2, 84177827630), (4, 42088913815), (5, 33671131052), (10, 16835565526), (13, 12950435020), (20, 8417782763), (26, 6475217510), (52, 3237608755), (65, 2590087004), (130, 1295043502), (260, 647521751)]