268156

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 548576

約数和(自身を除く): 280420

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 157, 244, 314, 427, 628, 854, 1099, 1708, 2198, 4396, 9577, 19154, 38308, 67039, 134078, 268156]

約数ペア:

[(1, 268156), (2, 134078), (4, 67039), (7, 38308), (14, 19154), (28, 9577), (61, 4396), (122, 2198), (157, 1708), (244, 1099), (314, 854), (427, 628)]