81225794

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{167}}^1\times {\mathrm{1439}}^1$

素因数の和:1634

約数の個数: 24

約数和(自身を含む): 132814080

約数和(自身を除く): 51588286

約数列:

[1, 2, 13, 26, 167, 169, 334, 338, 1439, 2171, 2878, 4342, 18707, 28223, 37414, 56446, 240313, 243191, 480626, 486382, 3124069, 6248138, 40612897, 81225794]

約数ペア:

[(1, 81225794), (2, 40612897), (13, 6248138), (26, 3124069), (167, 486382), (169, 480626), (334, 243191), (338, 240313), (1439, 56446), (2171, 37414), (2878, 28223), (4342, 18707)]