40393678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{11177}}^1$

素因数の和:11331

約数の個数: 16

約数和(自身を含む): 65726640

約数和(自身を除く): 25332962

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 11177, 22354, 145301, 290602, 1553603, 3107206, 20196839, 40393678]

約数ペア:

[(1, 40393678), (2, 20196839), (13, 3107206), (26, 1553603), (139, 290602), (278, 145301), (1807, 22354), (3614, 11177)]