81808972

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{6779}}^1$

素因数の和:7221

約数の個数: 24

約数和(自身を含む): 164021760

約数和(自身を除く): 82212788

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1724, 3017, 6034, 6779, 12068, 13558, 27116, 47453, 94906, 189812, 2921749, 5843498, 11686996, 20452243, 40904486, 81808972]

約数ペア:

[(1, 81808972), (2, 40904486), (4, 20452243), (7, 11686996), (14, 5843498), (28, 2921749), (431, 189812), (862, 94906), (1724, 47453), (3017, 27116), (6034, 13558), (6779, 12068)]