28560886

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1659

約数の個数: 16

約数和(自身を含む): 43787520

約数和(自身を除く): 15226634

約数列:

[1, 2, 71, 139, 142, 278, 1447, 2894, 9869, 19738, 102737, 201133, 205474, 402266, 14280443, 28560886]

約数ペア:

[(1, 28560886), (2, 14280443), (71, 402266), (139, 205474), (142, 201133), (278, 102737), (1447, 19738), (2894, 9869)]