988405912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{221021}}^1$

素因数の和:221083

約数の個数: 32

約数和(自身を含む): 2042243280

約数和(自身を除く): 1053837368

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 221021, 442042, 884084, 1768168, 2873273, 5746546, 9503903, 11493092, 19007806, 22986184, 38015612, 76031224, 123550739, 247101478, 494202956, 988405912]

約数ペア:

[(1, 988405912), (2, 494202956), (4, 247101478), (8, 123550739), (13, 76031224), (26, 38015612), (43, 22986184), (52, 19007806), (86, 11493092), (104, 9503903), (172, 5746546), (344, 2873273), (559, 1768168), (1118, 884084), (2236, 442042), (4472, 221021)]