1990289072

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{49937}}^1$

素因数の和:50045

約数の個数: 40

約数和(自身を含む): 4012618176

約数和(自身を除く): 2022329104

約数列:

[1, 2, 4, 8, 16, 47, 53, 94, 106, 188, 212, 376, 424, 752, 848, 2491, 4982, 9964, 19928, 39856, 49937, 99874, 199748, 399496, 798992, 2347039, 2646661, 4694078, 5293322, 9388156, 10586644, 18776312, 21173288, 37552624, 42346576, 124393067, 248786134, 497572268, 995144536, 1990289072]

約数ペア:

[(1, 1990289072), (2, 995144536), (4, 497572268), (8, 248786134), (16, 124393067), (47, 42346576), (53, 37552624), (94, 21173288), (106, 18776312), (188, 10586644), (212, 9388156), (376, 5293322), (424, 4694078), (752, 2646661), (848, 2347039), (2491, 798992), (4982, 399496), (9964, 199748), (19928, 99874), (39856, 49937)]