990843112

素因数分解:

$2^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{23623}}^1$

素因数の和:23750

約数の個数: 48

約数和(自身を含む): 2181440160

約数和(自身を除く): 1190597048

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 107, 196, 214, 392, 428, 749, 856, 1498, 2996, 5243, 5992, 10486, 20972, 23623, 41944, 47246, 94492, 165361, 188984, 330722, 661444, 1157527, 1322888, 2315054, 2527661, 4630108, 5055322, 9260216, 10110644, 17693627, 20221288, 35387254, 70774508, 123855389, 141549016, 247710778, 495421556, 990843112]

約数ペア:

[(1, 990843112), (2, 495421556), (4, 247710778), (7, 141549016), (8, 123855389), (14, 70774508), (28, 35387254), (49, 20221288), (56, 17693627), (98, 10110644), (107, 9260216), (196, 5055322), (214, 4630108), (392, 2527661), (428, 2315054), (749, 1322888), (856, 1157527), (1498, 661444), (2996, 330722), (5243, 188984), (5992, 165361), (10486, 94492), (20972, 47246), (23623, 41944)]