28129878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223253}}^1$

素因数の和:223268

約数の個数: 24

約数和(自身を含む): 69655248

約数和(自身を除く): 41525370

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223253, 446506, 669759, 1339518, 1562771, 2009277, 3125542, 4018554, 4688313, 9376626, 14064939, 28129878]

約数ペア:

[(1, 28129878), (2, 14064939), (3, 9376626), (6, 4688313), (7, 4018554), (9, 3125542), (14, 2009277), (18, 1562771), (21, 1339518), (42, 669759), (63, 446506), (126, 223253)]