42790223

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1667}}^1$

素因数の和:1886

約数の個数: 16

約数和(自身を含む): 51774720

約数和(自身を除く): 8984497

約数列:

[1, 7, 19, 133, 193, 1351, 1667, 3667, 11669, 25669, 31673, 221711, 321731, 2252117, 6112889, 42790223]

約数ペア:

[(1, 42790223), (7, 6112889), (19, 2252117), (133, 321731), (193, 221711), (1351, 31673), (1667, 25669), (3667, 11669)]