256171678

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^2\times {\mathrm{1433}}^1$

素因数の和:1668

約数の個数: 24

約数和(自身を含む): 443381328

約数和(自身を除く): 187209650

約数列:

[1, 2, 7, 14, 113, 226, 791, 1433, 1582, 2866, 10031, 12769, 20062, 25538, 89383, 161929, 178766, 323858, 1133503, 2267006, 18297977, 36595954, 128085839, 256171678]

約数ペア:

[(1, 256171678), (2, 128085839), (7, 36595954), (14, 18297977), (113, 2267006), (226, 1133503), (791, 323858), (1433, 178766), (1582, 161929), (2866, 89383), (10031, 25538), (12769, 20062)]