2878139

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 3386880

約数和(自身を除く): 508741

約数列:

[1, 11, 19, 47, 209, 293, 517, 893, 3223, 5567, 9823, 13771, 61237, 151481, 261649, 2878139]

約数ペア:

[(1, 2878139), (11, 261649), (19, 151481), (47, 61237), (209, 13771), (293, 9823), (517, 5567), (893, 3223)]