26400409

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{631}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 31144960

約数和(自身を除く): 4744551

約数列:

[1, 7, 43, 139, 301, 631, 973, 4417, 5977, 27133, 41839, 87709, 189931, 613963, 3771487, 26400409]

約数ペア:

[(1, 26400409), (7, 3771487), (43, 613963), (139, 189931), (301, 87709), (631, 41839), (973, 27133), (4417, 5977)]