31194658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^2\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 24

約数和(自身を含む): 51927120

約数和(自身を除く): 20732462

約数列:

[1, 2, 11, 22, 101, 139, 202, 278, 1111, 1529, 2222, 3058, 10201, 14039, 20402, 28078, 112211, 154429, 224422, 308858, 1417939, 2835878, 15597329, 31194658]

約数ペア:

[(1, 31194658), (2, 15597329), (11, 2835878), (22, 1417939), (101, 308858), (139, 224422), (202, 154429), (278, 112211), (1111, 28078), (1529, 20402), (2222, 14039), (3058, 10201)]