72080785

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 101376000

約数和(自身を除く): 29295215

約数列:

[1, 5, 7, 35, 79, 131, 199, 395, 553, 655, 917, 995, 1393, 2765, 4585, 6965, 10349, 15721, 26069, 51745, 72443, 78605, 110047, 130345, 182483, 362215, 550235, 912415, 2059451, 10297255, 14416157, 72080785]

約数ペア:

[(1, 72080785), (5, 14416157), (7, 10297255), (35, 2059451), (79, 912415), (131, 550235), (199, 362215), (395, 182483), (553, 130345), (655, 110047), (917, 78605), (995, 72443), (1393, 51745), (2765, 26069), (4585, 15721), (6965, 10349)]