138562214

素因数分解:

$2^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{20323}}^1$

素因数の和:20819

約数の個数: 16

約数和(自身を含む): 238034688

約数和(自身を除く): 99472474

約数列:

[1, 2, 7, 14, 487, 974, 3409, 6818, 20323, 40646, 142261, 284522, 9897301, 19794602, 69281107, 138562214]

約数ペア:

[(1, 138562214), (2, 69281107), (7, 19794602), (14, 9897301), (487, 284522), (974, 142261), (3409, 40646), (6818, 20323)]