639332028

素因数分解:

$2^2\times 3^5\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1$

素因数の和:698

約数の個数: 144

約数和(自身を含む): 1783498080

約数和(自身を除く): 1144166052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 37, 54, 58, 74, 81, 87, 108, 111, 116, 148, 162, 174, 222, 243, 261, 324, 333, 348, 444, 486, 522, 613, 666, 783, 972, 999, 1044, 1073, 1226, 1332, 1566, 1839, 1998, 2146, 2349, 2452, 2997, 3132, 3219, 3678, 3996, 4292, 4698, 5517, 5994, 6438, 7047, 7356, 8991, 9396, 9657, 11034, 11988, 12876, 14094, 16551, 17777, 17982, 19314, 22068, 22681, 28188, 28971, 33102, 35554, 35964, 38628, 45362, 49653, 53331, 57942, 66204, 68043, 71108, 86913, 90724, 99306, 106662, 115884, 136086, 148959, 159993, 173826, 198612, 204129, 213324, 260739, 272172, 297918, 319986, 347652, 408258, 479979, 521478, 595836, 612387, 639972, 657749, 816516, 959958, 1042956, 1224774, 1315498, 1439937, 1837161, 1919916, 1973247, 2449548, 2630996, 2879874, 3674322, 3946494, 4319811, 5511483, 5759748, 5919741, 7348644, 7892988, 8639622, 11022966, 11839482, 17279244, 17759223, 22045932, 23678964, 35518446, 53277669, 71036892, 106555338, 159833007, 213110676, 319666014, 639332028]

約数ペア:

[(1, 639332028), (2, 319666014), (3, 213110676), (4, 159833007), (6, 106555338), (9, 71036892), (12, 53277669), (18, 35518446), (27, 23678964), (29, 22045932), (36, 17759223), (37, 17279244), (54, 11839482), (58, 11022966), (74, 8639622), (81, 7892988), (87, 7348644), (108, 5919741), (111, 5759748), (116, 5511483), (148, 4319811), (162, 3946494), (174, 3674322), (222, 2879874), (243, 2630996), (261, 2449548), (324, 1973247), (333, 1919916), (348, 1837161), (444, 1439937), (486, 1315498), (522, 1224774), (613, 1042956), (666, 959958), (783, 816516), (972, 657749), (999, 639972), (1044, 612387), (1073, 595836), (1226, 521478), (1332, 479979), (1566, 408258), (1839, 347652), (1998, 319986), (2146, 297918), (2349, 272172), (2452, 260739), (2997, 213324), (3132, 204129), (3219, 198612), (3678, 173826), (3996, 159993), (4292, 148959), (4698, 136086), (5517, 115884), (5994, 106662), (6438, 99306), (7047, 90724), (7356, 86913), (8991, 71108), (9396, 68043), (9657, 66204), (11034, 57942), (11988, 53331), (12876, 49653), (14094, 45362), (16551, 38628), (17777, 35964), (17982, 35554), (19314, 33102), (22068, 28971), (22681, 28188)]