1761968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 3781008

約数和(自身を除く): 2019040

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 197, 208, 344, 394, 559, 688, 788, 1118, 1576, 2236, 2561, 3152, 4472, 5122, 8471, 8944, 10244, 16942, 20488, 33884, 40976, 67768, 110123, 135536, 220246, 440492, 880984, 1761968]

約数ペア:

[(1, 1761968), (2, 880984), (4, 440492), (8, 220246), (13, 135536), (16, 110123), (26, 67768), (43, 40976), (52, 33884), (86, 20488), (104, 16942), (172, 10244), (197, 8944), (208, 8471), (344, 5122), (394, 4472), (559, 3152), (688, 2561), (788, 2236), (1118, 1576)]