81974396

素因数分解:

$2^2\times 7^1\times {\mathrm{1117}}^1\times {\mathrm{2621}}^1$

素因数の和:3749

約数の個数: 24

約数和(自身を含む): 164158176

約数和(自身を除く): 82183780

約数列:

[1, 2, 4, 7, 14, 28, 1117, 2234, 2621, 4468, 5242, 7819, 10484, 15638, 18347, 31276, 36694, 73388, 2927657, 5855314, 11710628, 20493599, 40987198, 81974396]

約数ペア:

[(1, 81974396), (2, 40987198), (4, 20493599), (7, 11710628), (14, 5855314), (28, 2927657), (1117, 73388), (2234, 36694), (2621, 31276), (4468, 18347), (5242, 15638), (7819, 10484)]