81205516

素因数分解:

$2^2\times 7^1\times {\mathrm{1069}}^1\times {\mathrm{2713}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 162622880

約数和(自身を除く): 81417364

約数列:

[1, 2, 4, 7, 14, 28, 1069, 2138, 2713, 4276, 5426, 7483, 10852, 14966, 18991, 29932, 37982, 75964, 2900197, 5800394, 11600788, 20301379, 40602758, 81205516]

約数ペア:

[(1, 81205516), (2, 40602758), (4, 20301379), (7, 11600788), (14, 5800394), (28, 2900197), (1069, 75964), (2138, 37982), (2713, 29932), (4276, 18991), (5426, 14966), (7483, 10852)]