27991628

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9343}}^1$

素因数の和:9461

約数の個数: 24

約数和(自身を含む): 56512512

約数和(自身を除く): 28520884

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 9343, 18686, 37372, 65401, 130802, 261604, 999701, 1999402, 3998804, 6997907, 13995814, 27991628]

約数ペア:

[(1, 27991628), (2, 13995814), (4, 6997907), (7, 3998804), (14, 1999402), (28, 999701), (107, 261604), (214, 130802), (428, 65401), (749, 37372), (1498, 18686), (2996, 9343)]