209726594

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:471

約数の個数: 64

約数和(自身を含む): 408748032

約数和(自身を除く): 199021438

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 197, 217, 223, 341, 394, 434, 446, 682, 1379, 1561, 2167, 2387, 2453, 2758, 3122, 4334, 4774, 4906, 6107, 6913, 12214, 13826, 15169, 17171, 30338, 34342, 42749, 43931, 48391, 67177, 76043, 85498, 87862, 96782, 134354, 152086, 307517, 470239, 483241, 532301, 615034, 940478, 966482, 1064602, 1361861, 2723722, 3382687, 6765374, 9533027, 14980471, 19066054, 29960942, 104863297, 209726594]

約数ペア:

[(1, 209726594), (2, 104863297), (7, 29960942), (11, 19066054), (14, 14980471), (22, 9533027), (31, 6765374), (62, 3382687), (77, 2723722), (154, 1361861), (197, 1064602), (217, 966482), (223, 940478), (341, 615034), (394, 532301), (434, 483241), (446, 470239), (682, 307517), (1379, 152086), (1561, 134354), (2167, 96782), (2387, 87862), (2453, 85498), (2758, 76043), (3122, 67177), (4334, 48391), (4774, 43931), (4906, 42749), (6107, 34342), (6913, 30338), (12214, 17171), (13826, 15169)]