261326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:80

約数の個数: 24

約数和(自身を含む): 464520

約数和(自身を除く): 203194

約数列:

[1, 2, 13, 19, 23, 26, 38, 46, 247, 299, 437, 494, 529, 598, 874, 1058, 5681, 6877, 10051, 11362, 13754, 20102, 130663, 261326]

約数ペア:

[(1, 261326), (2, 130663), (13, 20102), (19, 13754), (23, 11362), (26, 10051), (38, 6877), (46, 5681), (247, 1058), (299, 874), (437, 598), (494, 529)]