2782219

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 16

約数和(自身を含む): 3225600

約数和(自身を除く): 443381

約数列:

[1, 11, 31, 41, 199, 341, 451, 1271, 2189, 6169, 8159, 13981, 67859, 89749, 252929, 2782219]

約数ペア:

[(1, 2782219), (11, 252929), (31, 89749), (41, 67859), (199, 13981), (341, 8159), (451, 6169), (1271, 2189)]