80987809

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{787}}^1$

素因数の和:1096

約数の個数: 16

約数和(自身を含む): 94585216

約数和(自身を除く): 13597407

約数列:

[1, 7, 61, 241, 427, 787, 1687, 5509, 14701, 48007, 102907, 189667, 336049, 1327669, 11569687, 80987809]

約数ペア:

[(1, 80987809), (7, 11569687), (61, 1327669), (241, 336049), (427, 189667), (787, 102907), (1687, 48007), (5509, 14701)]