81877710817

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{457}}^1\times {\mathrm{3137}}^1$

素因数の和:3841

約数の個数: 32

約数和(自身を含む): 96580108800

約数和(自身を除く): 14702397983

約数列:

[1, 7, 41, 199, 287, 457, 1393, 3137, 3199, 8159, 18737, 21959, 57113, 90943, 128617, 131159, 624263, 636601, 900319, 1433609, 3728663, 4369841, 10035263, 25594783, 26100641, 58777969, 179163481, 285288191, 411445783, 1997017337, 11696815831, 81877710817]

約数ペア:

[(1, 81877710817), (7, 11696815831), (41, 1997017337), (199, 411445783), (287, 285288191), (457, 179163481), (1393, 58777969), (3137, 26100641), (3199, 25594783), (8159, 10035263), (18737, 4369841), (21959, 3728663), (57113, 1433609), (90943, 900319), (128617, 636601), (131159, 624263)]