247674128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 541965312

約数和(自身を除く): 294291184

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 71, 104, 124, 142, 208, 248, 284, 403, 496, 541, 568, 806, 923, 1082, 1136, 1612, 1846, 2164, 2201, 3224, 3692, 4328, 4402, 6448, 7033, 7384, 8656, 8804, 14066, 14768, 16771, 17608, 28132, 28613, 33542, 35216, 38411, 56264, 57226, 67084, 76822, 112528, 114452, 134168, 153644, 218023, 228904, 268336, 307288, 436046, 457808, 499343, 614576, 872092, 998686, 1190741, 1744184, 1997372, 2381482, 3488368, 3994744, 4762964, 7989488, 9525928, 15479633, 19051856, 30959266, 61918532, 123837064, 247674128]

約数ペア:

[(1, 247674128), (2, 123837064), (4, 61918532), (8, 30959266), (13, 19051856), (16, 15479633), (26, 9525928), (31, 7989488), (52, 4762964), (62, 3994744), (71, 3488368), (104, 2381482), (124, 1997372), (142, 1744184), (208, 1190741), (248, 998686), (284, 872092), (403, 614576), (496, 499343), (541, 457808), (568, 436046), (806, 307288), (923, 268336), (1082, 228904), (1136, 218023), (1612, 153644), (1846, 134168), (2164, 114452), (2201, 112528), (3224, 76822), (3692, 67084), (4328, 57226), (4402, 56264), (6448, 38411), (7033, 35216), (7384, 33542), (8656, 28613), (8804, 28132), (14066, 17608), (14768, 16771)]