28657187

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:854

約数の個数: 16

約数和(自身を含む): 32716320

約数和(自身を除く): 4059133

約数列:

[1, 13, 19, 181, 247, 641, 2353, 3439, 8333, 12179, 44707, 116021, 158327, 1508273, 2204399, 28657187]

約数ペア:

[(1, 28657187), (13, 2204399), (19, 1508273), (181, 158327), (247, 116021), (641, 44707), (2353, 12179), (3439, 8333)]