28127197

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 35100864

約数和(自身を除く): 6973667

約数列:

[1, 7, 17, 47, 107, 119, 329, 749, 799, 1819, 2209, 5029, 5593, 12733, 15463, 35203, 37553, 85493, 236363, 262871, 598451, 1654541, 4018171, 28127197]

約数ペア:

[(1, 28127197), (7, 4018171), (17, 1654541), (47, 598451), (107, 262871), (119, 236363), (329, 85493), (749, 37553), (799, 35203), (1819, 15463), (2209, 12733), (5029, 5593)]