71665633

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 81306168

約数和(自身を除く): 9640535

約数列:

[1, 13, 37, 73, 157, 169, 481, 949, 2041, 2701, 5809, 6253, 11461, 12337, 26533, 35113, 75517, 148993, 424057, 456469, 981721, 1936909, 5512741, 71665633]

約数ペア:

[(1, 71665633), (13, 5512741), (37, 1936909), (73, 981721), (157, 456469), (169, 424057), (481, 148993), (949, 75517), (2041, 35113), (2701, 26533), (5809, 12337), (6253, 11461)]