1555650470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 3122219520

約数和(自身を除く): 1566569050

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 139, 142, 278, 355, 695, 710, 781, 1390, 1433, 1529, 1562, 2866, 3058, 3905, 7165, 7645, 7810, 9869, 14330, 15290, 15763, 19738, 31526, 49345, 78815, 98690, 101743, 108559, 157630, 199187, 203486, 217118, 398374, 508715, 542795, 995935, 1017430, 1085590, 1119173, 1991870, 2191057, 2238346, 4382114, 5595865, 10955285, 11191730, 14142277, 21910570, 28284554, 70711385, 141422770, 155565047, 311130094, 777825235, 1555650470]

約数ペア:

[(1, 1555650470), (2, 777825235), (5, 311130094), (10, 155565047), (11, 141422770), (22, 70711385), (55, 28284554), (71, 21910570), (110, 14142277), (139, 11191730), (142, 10955285), (278, 5595865), (355, 4382114), (695, 2238346), (710, 2191057), (781, 1991870), (1390, 1119173), (1433, 1085590), (1529, 1017430), (1562, 995935), (2866, 542795), (3058, 508715), (3905, 398374), (7165, 217118), (7645, 203486), (7810, 199187), (9869, 157630), (14330, 108559), (15290, 101743), (15763, 98690), (19738, 78815), (31526, 49345)]