79718884

素因数分解:

$2^2\times 7^2\times {\mathrm{406729}}^1$

素因数の和:406747

約数の個数: 18

約数和(自身を含む): 162285270

約数和(自身を除く): 82566386

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 406729, 813458, 1626916, 2847103, 5694206, 11388412, 19929721, 39859442, 79718884]

約数ペア:

[(1, 79718884), (2, 39859442), (4, 19929721), (7, 11388412), (14, 5694206), (28, 2847103), (49, 1626916), (98, 813458), (196, 406729)]