31221442

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2063}}^1$

素因数の和:2142

約数の個数: 32

約数和(自身を含む): 57065472

約数和(自身を除く): 25844030

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 2063, 2162, 4126, 7567, 14441, 15134, 28882, 47449, 94898, 96961, 193922, 332143, 664286, 678727, 1357454, 2230103, 4460206, 15610721, 31221442]

約数ペア:

[(1, 31221442), (2, 15610721), (7, 4460206), (14, 2230103), (23, 1357454), (46, 678727), (47, 664286), (94, 332143), (161, 193922), (322, 96961), (329, 94898), (658, 47449), (1081, 28882), (2063, 15134), (2162, 14441), (4126, 7567)]