208378559

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 221405184

約数和(自身を除く): 13026625

約数列:

[1, 31, 43, 223, 701, 1333, 6913, 9589, 21731, 30143, 156323, 297259, 934433, 4846013, 6721889, 208378559]

約数ペア:

[(1, 208378559), (31, 6721889), (43, 4846013), (223, 934433), (701, 297259), (1333, 156323), (6913, 30143), (9589, 21731)]