155289328

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{61819}}^1$

素因数の和:61984

約数の個数: 20

約数和(自身を含む): 302794360

約数和(自身を除く): 147505032

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 61819, 123638, 247276, 494552, 989104, 9705583, 19411166, 38822332, 77644664, 155289328]

約数ペア:

[(1, 155289328), (2, 77644664), (4, 38822332), (8, 19411166), (16, 9705583), (157, 989104), (314, 494552), (628, 247276), (1256, 123638), (2512, 61819)]