1991067841

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{40283}}^1$

素因数の和:40620

約数の個数: 16

約数和(自身を含む): 2382234624

約数和(自身を除く): 391166783

約数列:

[1, 7, 23, 161, 307, 2149, 7061, 40283, 49427, 281981, 926509, 6485563, 12366881, 86568167, 284438263, 1991067841]

約数ペア:

[(1, 1991067841), (7, 284438263), (23, 86568167), (161, 12366881), (307, 6485563), (2149, 926509), (7061, 281981), (40283, 49427)]