4021787

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2786

約数の個数: 16

約数和(自身を含む): 5280000

約数和(自身を除く): 1258213

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 2749, 19243, 30239, 52231, 211673, 365617, 574541, 4021787]

約数ペア:

[(1, 4021787), (7, 574541), (11, 365617), (19, 211673), (77, 52231), (133, 30239), (209, 19243), (1463, 2749)]