1561903504

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{19559}}^1$

素因数の和:19628

約数の個数: 80

約数和(自身を含む): 3725475840

約数和(自身を除く): 2163572336

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 161, 184, 217, 248, 322, 368, 434, 496, 644, 713, 868, 1288, 1426, 1736, 2576, 2852, 3472, 4991, 5704, 9982, 11408, 19559, 19964, 39118, 39928, 78236, 79856, 136913, 156472, 273826, 312944, 449857, 547652, 606329, 899714, 1095304, 1212658, 1799428, 2190608, 2425316, 3148999, 3598856, 4244303, 4850632, 6297998, 7197712, 8488606, 9701264, 12595996, 13945567, 16977212, 25191992, 27891134, 33954424, 50383984, 55782268, 67908848, 97618969, 111564536, 195237938, 223129072, 390475876, 780951752, 1561903504]

約数ペア:

[(1, 1561903504), (2, 780951752), (4, 390475876), (7, 223129072), (8, 195237938), (14, 111564536), (16, 97618969), (23, 67908848), (28, 55782268), (31, 50383984), (46, 33954424), (56, 27891134), (62, 25191992), (92, 16977212), (112, 13945567), (124, 12595996), (161, 9701264), (184, 8488606), (217, 7197712), (248, 6297998), (322, 4850632), (368, 4244303), (434, 3598856), (496, 3148999), (644, 2425316), (713, 2190608), (868, 1799428), (1288, 1212658), (1426, 1095304), (1736, 899714), (2576, 606329), (2852, 547652), (3472, 449857), (4991, 312944), (5704, 273826), (9982, 156472), (11408, 136913), (19559, 79856), (19964, 78236), (39118, 39928)]