28001009904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{4357}}^1$

素因数の和:5023

約数の個数: 160

約数和(自身を含む): 85494337536

約数和(自身を除く): 57493327632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 84, 93, 112, 124, 168, 186, 217, 248, 336, 372, 434, 496, 617, 651, 744, 868, 1234, 1302, 1488, 1736, 1851, 2468, 2604, 3472, 3702, 4319, 4357, 4936, 5208, 7404, 8638, 8714, 9872, 10416, 12957, 13071, 14808, 17276, 17428, 19127, 25914, 26142, 29616, 30499, 34552, 34856, 38254, 51828, 52284, 57381, 60998, 69104, 69712, 76508, 91497, 103656, 104568, 114762, 121996, 133889, 135067, 153016, 182994, 207312, 209136, 229524, 243992, 267778, 270134, 306032, 365988, 401667, 405201, 459048, 487984, 535556, 540268, 731976, 803334, 810402, 918096, 945469, 1071112, 1080536, 1463952, 1606668, 1620804, 1890938, 2142224, 2161072, 2688269, 2836407, 3213336, 3241608, 3781876, 5376538, 5672814, 6426672, 6483216, 7563752, 8064807, 10753076, 11345628, 15127504, 16129614, 18817883, 21506152, 22691256, 32259228, 37635766, 43012304, 45382512, 56453649, 64518456, 75271532, 83336339, 112907298, 129036912, 150543064, 166672678, 225814596, 250009017, 301086128, 333345356, 451629192, 500018034, 583354373, 666690712, 903258384, 1000036068, 1166708746, 1333381424, 1750063119, 2000072136, 2333417492, 3500126238, 4000144272, 4666834984, 7000252476, 9333669968, 14000504952, 28001009904]

約数ペア:

[(1, 28001009904), (2, 14000504952), (3, 9333669968), (4, 7000252476), (6, 4666834984), (7, 4000144272), (8, 3500126238), (12, 2333417492), (14, 2000072136), (16, 1750063119), (21, 1333381424), (24, 1166708746), (28, 1000036068), (31, 903258384), (42, 666690712), (48, 583354373), (56, 500018034), (62, 451629192), (84, 333345356), (93, 301086128), (112, 250009017), (124, 225814596), (168, 166672678), (186, 150543064), (217, 129036912), (248, 112907298), (336, 83336339), (372, 75271532), (434, 64518456), (496, 56453649), (617, 45382512), (651, 43012304), (744, 37635766), (868, 32259228), (1234, 22691256), (1302, 21506152), (1488, 18817883), (1736, 16129614), (1851, 15127504), (2468, 11345628), (2604, 10753076), (3472, 8064807), (3702, 7563752), (4319, 6483216), (4357, 6426672), (4936, 5672814), (5208, 5376538), (7404, 3781876), (8638, 3241608), (8714, 3213336), (9872, 2836407), (10416, 2688269), (12957, 2161072), (13071, 2142224), (14808, 1890938), (17276, 1620804), (17428, 1606668), (19127, 1463952), (25914, 1080536), (26142, 1071112), (29616, 945469), (30499, 918096), (34552, 810402), (34856, 803334), (38254, 731976), (51828, 540268), (52284, 535556), (57381, 487984), (60998, 459048), (69104, 405201), (69712, 401667), (76508, 365988), (91497, 306032), (103656, 270134), (104568, 267778), (114762, 243992), (121996, 229524), (133889, 209136), (135067, 207312), (153016, 182994)]