991235784

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{23321}}^1$

素因数の和:23371

約数の個数: 128

約数和(自身を含む): 3224033280

約数和(自身を除く): 2232797496

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 23, 24, 28, 33, 42, 44, 46, 56, 66, 69, 77, 84, 88, 92, 132, 138, 154, 161, 168, 184, 231, 253, 264, 276, 308, 322, 462, 483, 506, 552, 616, 644, 759, 924, 966, 1012, 1288, 1518, 1771, 1848, 1932, 2024, 3036, 3542, 3864, 5313, 6072, 7084, 10626, 14168, 21252, 23321, 42504, 46642, 69963, 93284, 139926, 163247, 186568, 256531, 279852, 326494, 489741, 513062, 536383, 559704, 652988, 769593, 979482, 1026124, 1072766, 1305976, 1539186, 1609149, 1795717, 1958964, 2052248, 2145532, 3078372, 3218298, 3591434, 3754681, 3917928, 4291064, 5387151, 5900213, 6156744, 6436596, 7182868, 7509362, 10774302, 11264043, 11800426, 12873192, 14365736, 15018724, 17700639, 21548604, 22528086, 23600852, 30037448, 35401278, 41301491, 43097208, 45056172, 47201704, 70802556, 82602982, 90112344, 123904473, 141605112, 165205964, 247808946, 330411928, 495617892, 991235784]

約数ペア:

[(1, 991235784), (2, 495617892), (3, 330411928), (4, 247808946), (6, 165205964), (7, 141605112), (8, 123904473), (11, 90112344), (12, 82602982), (14, 70802556), (21, 47201704), (22, 45056172), (23, 43097208), (24, 41301491), (28, 35401278), (33, 30037448), (42, 23600852), (44, 22528086), (46, 21548604), (56, 17700639), (66, 15018724), (69, 14365736), (77, 12873192), (84, 11800426), (88, 11264043), (92, 10774302), (132, 7509362), (138, 7182868), (154, 6436596), (161, 6156744), (168, 5900213), (184, 5387151), (231, 4291064), (253, 3917928), (264, 3754681), (276, 3591434), (308, 3218298), (322, 3078372), (462, 2145532), (483, 2052248), (506, 1958964), (552, 1795717), (616, 1609149), (644, 1539186), (759, 1305976), (924, 1072766), (966, 1026124), (1012, 979482), (1288, 769593), (1518, 652988), (1771, 559704), (1848, 536383), (1932, 513062), (2024, 489741), (3036, 326494), (3542, 279852), (3864, 256531), (5313, 186568), (6072, 163247), (7084, 139926), (10626, 93284), (14168, 69963), (21252, 46642), (23321, 42504)]