28905138

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{6719}}^1$

素因数の和:6966

約数の個数: 24

約数和(自身を含む): 62899200

約数和(自身を除く): 33994062

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 6719, 13438, 20157, 40314, 60471, 120942, 1605841, 3211682, 4817523, 9635046, 14452569, 28905138]

約数ペア:

[(1, 28905138), (2, 14452569), (3, 9635046), (6, 4817523), (9, 3211682), (18, 1605841), (239, 120942), (478, 60471), (717, 40314), (1434, 20157), (2151, 13438), (4302, 6719)]