215729248

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 96

約数和(自身を含む): 512483328

約数和(自身を除く): 296754080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 47, 56, 62, 94, 112, 124, 188, 217, 224, 248, 329, 376, 434, 496, 658, 661, 752, 868, 992, 1316, 1322, 1457, 1504, 1736, 2632, 2644, 2914, 3472, 4627, 5264, 5288, 5828, 6944, 9254, 10199, 10528, 10576, 11656, 18508, 20398, 20491, 21152, 23312, 31067, 37016, 40796, 40982, 46624, 62134, 74032, 81592, 81964, 124268, 143437, 148064, 163184, 163928, 217469, 248536, 286874, 326368, 327856, 434938, 497072, 573748, 655712, 869876, 963077, 994144, 1147496, 1739752, 1926154, 2294992, 3479504, 3852308, 4589984, 6741539, 6959008, 7704616, 13483078, 15409232, 26966156, 30818464, 53932312, 107864624, 215729248]

約数ペア:

[(1, 215729248), (2, 107864624), (4, 53932312), (7, 30818464), (8, 26966156), (14, 15409232), (16, 13483078), (28, 7704616), (31, 6959008), (32, 6741539), (47, 4589984), (56, 3852308), (62, 3479504), (94, 2294992), (112, 1926154), (124, 1739752), (188, 1147496), (217, 994144), (224, 963077), (248, 869876), (329, 655712), (376, 573748), (434, 497072), (496, 434938), (658, 327856), (661, 326368), (752, 286874), (868, 248536), (992, 217469), (1316, 163928), (1322, 163184), (1457, 148064), (1504, 143437), (1736, 124268), (2632, 81964), (2644, 81592), (2914, 74032), (3472, 62134), (4627, 46624), (5264, 40982), (5288, 40796), (5828, 37016), (6944, 31067), (9254, 23312), (10199, 21152), (10528, 20491), (10576, 20398), (11656, 18508)]