2638207

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 3265920

約数和(自身を除く): 627713

約数列:

[1, 11, 13, 19, 143, 209, 247, 971, 2717, 10681, 12623, 18449, 138853, 202939, 239837, 2638207]

約数ペア:

[(1, 2638207), (11, 239837), (13, 202939), (19, 138853), (143, 18449), (209, 12623), (247, 10681), (971, 2717)]