12800078

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1109}}^1$

素因数の和:1339

約数の個数: 16

約数和(自身を含む): 19980000

約数和(自身を除く): 7179922

約数列:

[1, 2, 29, 58, 199, 398, 1109, 2218, 5771, 11542, 32161, 64322, 220691, 441382, 6400039, 12800078]

約数ペア:

[(1, 12800078), (2, 6400039), (29, 441382), (58, 220691), (199, 64322), (398, 32161), (1109, 11542), (2218, 5771)]