31287146

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{7219}}^1$

素因数の和:7429

約数の個数: 16

約数和(自身を含む): 51464160

約数和(自身を除く): 20177014

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 7219, 14438, 79409, 158818, 1422143, 2844286, 15643573, 31287146]

約数ペア:

[(1, 31287146), (2, 15643573), (11, 2844286), (22, 1422143), (197, 158818), (394, 79409), (2167, 14438), (4334, 7219)]