400945534

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{1061}}^1$

素因数の和:1356

約数の個数: 32

約数和(自身を含む): 667530720

約数和(自身を除く): 266585186

約数列:

[1, 2, 11, 22, 89, 178, 193, 386, 979, 1061, 1958, 2122, 2123, 4246, 11671, 17177, 23342, 34354, 94429, 188858, 188947, 204773, 377894, 409546, 1038719, 2077438, 2252503, 4505006, 18224797, 36449594, 200472767, 400945534]

約数ペア:

[(1, 400945534), (2, 200472767), (11, 36449594), (22, 18224797), (89, 4505006), (178, 2252503), (193, 2077438), (386, 1038719), (979, 409546), (1061, 377894), (1958, 204773), (2122, 188947), (2123, 188858), (4246, 94429), (11671, 34354), (17177, 23342)]