1812251

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 2229696

約数和(自身を除く): 417445

約数列:

[1, 7, 17, 97, 119, 157, 679, 1099, 1649, 2669, 11543, 15229, 18683, 106603, 258893, 1812251]

約数ペア:

[(1, 1812251), (7, 258893), (17, 106603), (97, 18683), (119, 15229), (157, 11543), (679, 2669), (1099, 1649)]