40528978

素因数分解:

$2^1\times 7^2\times {\mathrm{277}}^1\times {\mathrm{1493}}^1$

素因数の和:1786

約数の個数: 24

約数和(自身を含む): 71021772

約数和(自身を除く): 30492794

約数列:

[1, 2, 7, 14, 49, 98, 277, 554, 1493, 1939, 2986, 3878, 10451, 13573, 20902, 27146, 73157, 146314, 413561, 827122, 2894927, 5789854, 20264489, 40528978]

約数ペア:

[(1, 40528978), (2, 20264489), (7, 5789854), (14, 2894927), (49, 827122), (98, 413561), (277, 146314), (554, 73157), (1493, 27146), (1939, 20902), (2986, 13573), (3878, 10451)]