12641326

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:603

約数の個数: 16

約数和(自身を含む): 19293696

約数和(自身を除く): 6652370

約数列:

[1, 2, 127, 157, 254, 314, 317, 634, 19939, 39878, 40259, 49769, 80518, 99538, 6320663, 12641326]

約数ペア:

[(1, 12641326), (2, 6320663), (127, 99538), (157, 80518), (254, 49769), (314, 40259), (317, 39878), (634, 19939)]