28057984

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 59976000

約数和(自身を除く): 31918016

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 83, 128, 139, 152, 166, 278, 304, 332, 556, 608, 664, 1112, 1216, 1328, 1577, 2224, 2432, 2641, 2656, 3154, 4448, 5282, 5312, 6308, 8896, 10564, 10624, 11537, 12616, 17792, 21128, 23074, 25232, 42256, 46148, 50464, 84512, 92296, 100928, 169024, 184592, 201856, 219203, 338048, 369184, 438406, 738368, 876812, 1476736, 1753624, 3507248, 7014496, 14028992, 28057984]

約数ペア:

[(1, 28057984), (2, 14028992), (4, 7014496), (8, 3507248), (16, 1753624), (19, 1476736), (32, 876812), (38, 738368), (64, 438406), (76, 369184), (83, 338048), (128, 219203), (139, 201856), (152, 184592), (166, 169024), (278, 100928), (304, 92296), (332, 84512), (556, 50464), (608, 46148), (664, 42256), (1112, 25232), (1216, 23074), (1328, 21128), (1577, 17792), (2224, 12616), (2432, 11537), (2641, 10624), (2656, 10564), (3154, 8896), (4448, 6308), (5282, 5312)]