259249991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{258991}}^1$

素因数の和:259022

約数の個数: 16

約数和(自身を含む): 348085248

約数和(自身を除く): 88835257

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 258991, 1812937, 2848901, 3366883, 19942307, 23568181, 37035713, 259249991]

約数ペア:

[(1, 259249991), (7, 37035713), (11, 23568181), (13, 19942307), (77, 3366883), (91, 2848901), (143, 1812937), (1001, 258991)]