81514316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{2617}}^1$

素因数の和:3233

約数の個数: 24

約数和(自身を含む): 153938400

約数和(自身を除く): 72424084

約数列:

[1, 2, 4, 13, 26, 52, 599, 1198, 2396, 2617, 5234, 7787, 10468, 15574, 31148, 34021, 68042, 136084, 1567583, 3135166, 6270332, 20378579, 40757158, 81514316]

約数ペア:

[(1, 81514316), (2, 40757158), (4, 20378579), (13, 6270332), (26, 3135166), (52, 1567583), (599, 136084), (1198, 68042), (2396, 34021), (2617, 31148), (5234, 15574), (7787, 10468)]