68405590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{621869}}^1$

素因数の和:621887

約数の個数: 16

約数和(自身を含む): 134323920

約数和(自身を除く): 65918330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 621869, 1243738, 3109345, 6218690, 6840559, 13681118, 34202795, 68405590]

約数ペア:

[(1, 68405590), (2, 34202795), (5, 13681118), (10, 6840559), (11, 6218690), (22, 3109345), (55, 1243738), (110, 621869)]