2009930725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{5483}}^1$

素因数の和:5578

約数の個数: 48

約数和(自身を含む): 2872387584

約数和(自身を除く): 862456859

約数列:

[1, 5, 11, 25, 31, 43, 55, 155, 215, 275, 341, 473, 775, 1075, 1333, 1705, 2365, 5483, 6665, 8525, 11825, 14663, 27415, 33325, 60313, 73315, 137075, 169973, 235769, 301565, 366575, 849865, 1178845, 1507825, 1869703, 2593459, 4249325, 5894225, 7308839, 9348515, 12967295, 36544195, 46742575, 64836475, 80397229, 182720975, 401986145, 2009930725]

約数ペア:

[(1, 2009930725), (5, 401986145), (11, 182720975), (25, 80397229), (31, 64836475), (43, 46742575), (55, 36544195), (155, 12967295), (215, 9348515), (275, 7308839), (341, 5894225), (473, 4249325), (775, 2593459), (1075, 1869703), (1333, 1507825), (1705, 1178845), (2365, 849865), (5483, 366575), (6665, 301565), (8525, 235769), (11825, 169973), (14663, 137075), (27415, 73315), (33325, 60313)]