2100808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 4181760

約数和(自身を除く): 2080952

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 197, 248, 344, 394, 788, 1333, 1576, 2666, 5332, 6107, 8471, 10664, 12214, 16942, 24428, 33884, 48856, 67768, 262601, 525202, 1050404, 2100808]

約数ペア:

[(1, 2100808), (2, 1050404), (4, 525202), (8, 262601), (31, 67768), (43, 48856), (62, 33884), (86, 24428), (124, 16942), (172, 12214), (197, 10664), (248, 8471), (344, 6107), (394, 5332), (788, 2666), (1333, 1576)]