31811026

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{7793}}^1$

素因数の和:7965

約数の個数: 16

約数和(自身を含む): 51720984

約数和(自身を除く): 19909958

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 7793, 15586, 101309, 202618, 1223501, 2447002, 15905513, 31811026]

約数ペア:

[(1, 31811026), (2, 15905513), (13, 2447002), (26, 1223501), (157, 202618), (314, 101309), (2041, 15586), (4082, 7793)]