28171766

素因数分解:

$2^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1831}}^1$

素因数の和:2004

約数の個数: 24

約数和(自身を含む): 49496976

約数和(自身を除く): 21325210

約数列:

[1, 2, 7, 14, 49, 98, 157, 314, 1099, 1831, 2198, 3662, 7693, 12817, 15386, 25634, 89719, 179438, 287467, 574934, 2012269, 4024538, 14085883, 28171766]

約数ペア:

[(1, 28171766), (2, 14085883), (7, 4024538), (14, 2012269), (49, 574934), (98, 287467), (157, 179438), (314, 89719), (1099, 25634), (1831, 15386), (2198, 12817), (3662, 7693)]