2045989985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1\times {\mathrm{619}}^1$

素因数の和:1089

約数の個数: 32

約数和(自身を含む): 2671912320

約数和(自身を除く): 625922335

約数列:

[1, 5, 13, 65, 211, 241, 619, 1055, 1205, 2743, 3095, 3133, 8047, 13715, 15665, 40235, 50851, 130609, 149179, 254255, 653045, 661063, 745895, 1697917, 1939327, 3305315, 8489585, 9696635, 31476769, 157383845, 409197997, 2045989985]

約数ペア:

[(1, 2045989985), (5, 409197997), (13, 157383845), (65, 31476769), (211, 9696635), (241, 8489585), (619, 3305315), (1055, 1939327), (1205, 1697917), (2743, 745895), (3095, 661063), (3133, 653045), (8047, 254255), (13715, 149179), (15665, 130609), (40235, 50851)]