81356212

素因数分解:

$2^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{9283}}^1$

素因数の和:9607

約数の個数: 24

約数和(自身を含む): 163249856

約数和(自身を除く): 81893644

約数列:

[1, 2, 4, 7, 14, 28, 313, 626, 1252, 2191, 4382, 8764, 9283, 18566, 37132, 64981, 129962, 259924, 2905579, 5811158, 11622316, 20339053, 40678106, 81356212]

約数ペア:

[(1, 81356212), (2, 40678106), (4, 20339053), (7, 11622316), (14, 5811158), (28, 2905579), (313, 259924), (626, 129962), (1252, 64981), (2191, 37132), (4382, 18566), (8764, 9283)]