3980858

素因数分解:

$2^1\times 7^4\times {\mathrm{829}}^1$

素因数の和:859

約数の個数: 20

約数和(自身を含む): 6974490

約数和(自身を除く): 2993632

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 829, 1658, 2401, 4802, 5803, 11606, 40621, 81242, 284347, 568694, 1990429, 3980858]

約数ペア:

[(1, 3980858), (2, 1990429), (7, 568694), (14, 284347), (49, 81242), (98, 40621), (343, 11606), (686, 5803), (829, 4802), (1658, 2401)]