28664248

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 55429920

約数和(自身を除く): 26765672

約数列:

[1, 2, 4, 8, 41, 82, 164, 281, 311, 328, 562, 622, 1124, 1244, 2248, 2488, 11521, 12751, 23042, 25502, 46084, 51004, 87391, 92168, 102008, 174782, 349564, 699128, 3583031, 7166062, 14332124, 28664248]

約数ペア:

[(1, 28664248), (2, 14332124), (4, 7166062), (8, 3583031), (41, 699128), (82, 349564), (164, 174782), (281, 102008), (311, 92168), (328, 87391), (562, 51004), (622, 46084), (1124, 25502), (1244, 23042), (2248, 12751), (2488, 11521)]