880984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 1829520

約数和(自身を除く): 948536

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 197, 344, 394, 559, 788, 1118, 1576, 2236, 2561, 4472, 5122, 8471, 10244, 16942, 20488, 33884, 67768, 110123, 220246, 440492, 880984]

約数ペア:

[(1, 880984), (2, 440492), (4, 220246), (8, 110123), (13, 67768), (26, 33884), (43, 20488), (52, 16942), (86, 10244), (104, 8471), (172, 5122), (197, 4472), (344, 2561), (394, 2236), (559, 1576), (788, 1118)]