28641858

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{681949}}^1$

素因数の和:681961

約数の個数: 16

約数和(自身を含む): 65467200

約数和(自身を除く): 36825342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 681949, 1363898, 2045847, 4091694, 4773643, 9547286, 14320929, 28641858]

約数ペア:

[(1, 28641858), (2, 14320929), (3, 9547286), (6, 4773643), (7, 4091694), (14, 2045847), (21, 1363898), (42, 681949)]