31248312

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 90720000

約数和(自身を除く): 59471688

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 29, 34, 38, 51, 57, 58, 68, 76, 87, 102, 114, 116, 136, 139, 152, 174, 204, 228, 232, 278, 323, 348, 408, 417, 456, 493, 551, 556, 646, 696, 834, 969, 986, 1102, 1112, 1292, 1479, 1653, 1668, 1938, 1972, 2204, 2363, 2584, 2641, 2958, 3306, 3336, 3876, 3944, 4031, 4408, 4726, 5282, 5916, 6612, 7089, 7752, 7923, 8062, 9367, 9452, 10564, 11832, 12093, 13224, 14178, 15846, 16124, 18734, 18904, 21128, 24186, 28101, 28356, 31692, 32248, 37468, 44897, 48372, 56202, 56712, 63384, 68527, 74936, 76589, 89794, 96744, 112404, 134691, 137054, 153178, 179588, 205581, 224808, 229767, 269382, 274108, 306356, 359176, 411162, 459534, 538764, 548216, 612712, 822324, 919068, 1077528, 1302013, 1644648, 1838136, 2604026, 3906039, 5208052, 7812078, 10416104, 15624156, 31248312]

約数ペア:

[(1, 31248312), (2, 15624156), (3, 10416104), (4, 7812078), (6, 5208052), (8, 3906039), (12, 2604026), (17, 1838136), (19, 1644648), (24, 1302013), (29, 1077528), (34, 919068), (38, 822324), (51, 612712), (57, 548216), (58, 538764), (68, 459534), (76, 411162), (87, 359176), (102, 306356), (114, 274108), (116, 269382), (136, 229767), (139, 224808), (152, 205581), (174, 179588), (204, 153178), (228, 137054), (232, 134691), (278, 112404), (323, 96744), (348, 89794), (408, 76589), (417, 74936), (456, 68527), (493, 63384), (551, 56712), (556, 56202), (646, 48372), (696, 44897), (834, 37468), (969, 32248), (986, 31692), (1102, 28356), (1112, 28101), (1292, 24186), (1479, 21128), (1653, 18904), (1668, 18734), (1938, 16124), (1972, 15846), (2204, 14178), (2363, 13224), (2584, 12093), (2641, 11832), (2958, 10564), (3306, 9452), (3336, 9367), (3876, 8062), (3944, 7923), (4031, 7752), (4408, 7089), (4726, 6612), (5282, 5916)]