40691804

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{143281}}^1$

素因数の和:143356

約数の個数: 12

約数和(自身を含む): 72214128

約数和(自身を除く): 31522324

約数列:

[1, 2, 4, 71, 142, 284, 143281, 286562, 573124, 10172951, 20345902, 40691804]

約数ペア:

[(1, 40691804), (2, 20345902), (4, 10172951), (71, 573124), (142, 286562), (284, 143281)]