613815748

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 144

約数和(自身を含む): 1465766400

約数和(自身を除く): 851950652

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 49, 52, 62, 76, 91, 98, 124, 133, 182, 196, 217, 247, 266, 364, 403, 409, 434, 494, 532, 589, 637, 806, 818, 868, 931, 988, 1178, 1274, 1519, 1612, 1636, 1729, 1862, 2356, 2548, 2821, 2863, 3038, 3458, 3724, 4123, 5317, 5642, 5726, 6076, 6916, 7657, 7771, 8246, 10634, 11284, 11452, 12103, 12679, 15314, 15542, 16492, 19747, 20041, 21268, 24206, 25358, 28861, 30628, 31084, 37219, 39494, 40082, 48412, 50716, 53599, 54397, 57722, 74438, 78988, 80164, 88753, 101023, 107198, 108794, 115444, 148876, 164827, 177506, 202046, 214396, 217588, 240901, 260533, 329654, 355012, 375193, 380779, 404092, 481802, 521066, 621271, 659308, 707161, 750386, 761558, 963604, 1042132, 1153789, 1242542, 1414322, 1500772, 1523116, 1686307, 2307578, 2485084, 2828644, 3131713, 3372614, 4615156, 4950127, 6263426, 6745228, 8076523, 9900254, 11804149, 12526852, 16153046, 19800508, 21921991, 23608298, 32306092, 43843982, 47216596, 87687964, 153453937, 306907874, 613815748]

約数ペア:

[(1, 613815748), (2, 306907874), (4, 153453937), (7, 87687964), (13, 47216596), (14, 43843982), (19, 32306092), (26, 23608298), (28, 21921991), (31, 19800508), (38, 16153046), (49, 12526852), (52, 11804149), (62, 9900254), (76, 8076523), (91, 6745228), (98, 6263426), (124, 4950127), (133, 4615156), (182, 3372614), (196, 3131713), (217, 2828644), (247, 2485084), (266, 2307578), (364, 1686307), (403, 1523116), (409, 1500772), (434, 1414322), (494, 1242542), (532, 1153789), (589, 1042132), (637, 963604), (806, 761558), (818, 750386), (868, 707161), (931, 659308), (988, 621271), (1178, 521066), (1274, 481802), (1519, 404092), (1612, 380779), (1636, 375193), (1729, 355012), (1862, 329654), (2356, 260533), (2548, 240901), (2821, 217588), (2863, 214396), (3038, 202046), (3458, 177506), (3724, 164827), (4123, 148876), (5317, 115444), (5642, 108794), (5726, 107198), (6076, 101023), (6916, 88753), (7657, 80164), (7771, 78988), (8246, 74438), (10634, 57722), (11284, 54397), (11452, 53599), (12103, 50716), (12679, 48412), (15314, 40082), (15542, 39494), (16492, 37219), (19747, 31084), (20041, 30628), (21268, 28861), (24206, 25358)]