1778290

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2251}}^1$

素因数の和:2337

約数の個数: 16

約数和(自身を含む): 3242880

約数和(自身を除く): 1464590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 2251, 4502, 11255, 22510, 177829, 355658, 889145, 1778290]

約数ペア:

[(1, 1778290), (2, 889145), (5, 355658), (10, 177829), (79, 22510), (158, 11255), (395, 4502), (790, 2251)]