208881010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1606777}}^1$

素因数の和:1606797

約数の個数: 16

約数和(自身を含む): 404908056

約数和(自身を除く): 196027046

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1606777, 3213554, 8033885, 16067770, 20888101, 41776202, 104440505, 208881010]

約数ペア:

[(1, 208881010), (2, 104440505), (5, 41776202), (10, 20888101), (13, 16067770), (26, 8033885), (65, 3213554), (130, 1606777)]