28988281

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{12821}}^1$

素因数の和:12864

約数の個数: 16

約数和(自身を含む): 36927360

約数和(自身を除く): 7939079

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 12821, 89747, 217957, 243599, 1525699, 1705193, 4141183, 28988281]

約数ペア:

[(1, 28988281), (7, 4141183), (17, 1705193), (19, 1525699), (119, 243599), (133, 217957), (323, 89747), (2261, 12821)]