42778010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{388891}}^1$

素因数の和:388909

約数の個数: 16

約数和(自身を含む): 84000672

約数和(自身を除く): 41222662

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 388891, 777782, 1944455, 3888910, 4277801, 8555602, 21389005, 42778010]

約数ペア:

[(1, 42778010), (2, 21389005), (5, 8555602), (10, 4277801), (11, 3888910), (22, 1944455), (55, 777782), (110, 388891)]