278700721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{3851}}^1$

素因数の和:4176

約数の個数: 16

約数和(自身を含む): 317096640

約数和(自身を除く): 38395919

約数列:

[1, 13, 19, 247, 293, 3809, 3851, 5567, 50063, 72371, 73169, 951197, 1128343, 14668459, 21438517, 278700721]

約数ペア:

[(1, 278700721), (13, 21438517), (19, 14668459), (247, 1128343), (293, 951197), (3809, 73169), (3851, 72371), (5567, 50063)]