28144844

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{463}}^1$

素因数の和:654

約数の個数: 48

約数和(自身を含む): 61114368

約数和(自身を除く): 32969524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 167, 182, 334, 364, 463, 668, 926, 1169, 1852, 2171, 2338, 3241, 4342, 4676, 6019, 6482, 8684, 12038, 12964, 15197, 24076, 30394, 42133, 60788, 77321, 84266, 154642, 168532, 309284, 541247, 1005173, 1082494, 2010346, 2164988, 4020692, 7036211, 14072422, 28144844]

約数ペア:

[(1, 28144844), (2, 14072422), (4, 7036211), (7, 4020692), (13, 2164988), (14, 2010346), (26, 1082494), (28, 1005173), (52, 541247), (91, 309284), (167, 168532), (182, 154642), (334, 84266), (364, 77321), (463, 60788), (668, 42133), (926, 30394), (1169, 24076), (1852, 15197), (2171, 12964), (2338, 12038), (3241, 8684), (4342, 6482), (4676, 6019)]