31671306

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 77837760

約数和(自身を除く): 46166454

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 43, 51, 58, 83, 86, 87, 102, 129, 153, 166, 174, 249, 258, 261, 306, 387, 493, 498, 522, 731, 747, 774, 986, 1247, 1411, 1462, 1479, 1494, 2193, 2407, 2494, 2822, 2958, 3569, 3741, 4233, 4386, 4437, 4814, 6579, 7138, 7221, 7482, 8466, 8874, 10707, 11223, 12699, 13158, 14442, 21199, 21414, 21663, 22446, 25398, 32121, 40919, 42398, 43326, 60673, 63597, 64242, 81838, 103501, 121346, 122757, 127194, 182019, 190791, 207002, 245514, 310503, 364038, 368271, 381582, 546057, 621006, 736542, 931509, 1092114, 1759517, 1863018, 3519034, 5278551, 10557102, 15835653, 31671306]

約数ペア:

[(1, 31671306), (2, 15835653), (3, 10557102), (6, 5278551), (9, 3519034), (17, 1863018), (18, 1759517), (29, 1092114), (34, 931509), (43, 736542), (51, 621006), (58, 546057), (83, 381582), (86, 368271), (87, 364038), (102, 310503), (129, 245514), (153, 207002), (166, 190791), (174, 182019), (249, 127194), (258, 122757), (261, 121346), (306, 103501), (387, 81838), (493, 64242), (498, 63597), (522, 60673), (731, 43326), (747, 42398), (774, 40919), (986, 32121), (1247, 25398), (1411, 22446), (1462, 21663), (1479, 21414), (1494, 21199), (2193, 14442), (2407, 13158), (2494, 12699), (2822, 11223), (2958, 10707), (3569, 8874), (3741, 8466), (4233, 7482), (4386, 7221), (4437, 7138), (4814, 6579)]