31181456

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{12413}}^1$

素因数の和:12578

約数の個数: 20

約数和(自身を含む): 60803772

約数和(自身を除く): 29622316

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 12413, 24826, 49652, 99304, 198608, 1948841, 3897682, 7795364, 15590728, 31181456]

約数ペア:

[(1, 31181456), (2, 15590728), (4, 7795364), (8, 3897682), (16, 1948841), (157, 198608), (314, 99304), (628, 49652), (1256, 24826), (2512, 12413)]