228657488

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 477683712

約数和(自身を除く): 249026224

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 71, 86, 124, 142, 151, 172, 248, 284, 302, 344, 496, 568, 604, 688, 1136, 1208, 1333, 2201, 2416, 2666, 3053, 4402, 4681, 5332, 6106, 6493, 8804, 9362, 10664, 10721, 12212, 12986, 17608, 18724, 21328, 21442, 24424, 25972, 35216, 37448, 42884, 48848, 51944, 74896, 85768, 94643, 103888, 171536, 189286, 201283, 332351, 378572, 402566, 461003, 664702, 757144, 805132, 922006, 1329404, 1514288, 1610264, 1844012, 2658808, 3220528, 3688024, 5317616, 7376048, 14291093, 28582186, 57164372, 114328744, 228657488]

約数ペア:

[(1, 228657488), (2, 114328744), (4, 57164372), (8, 28582186), (16, 14291093), (31, 7376048), (43, 5317616), (62, 3688024), (71, 3220528), (86, 2658808), (124, 1844012), (142, 1610264), (151, 1514288), (172, 1329404), (248, 922006), (284, 805132), (302, 757144), (344, 664702), (496, 461003), (568, 402566), (604, 378572), (688, 332351), (1136, 201283), (1208, 189286), (1333, 171536), (2201, 103888), (2416, 94643), (2666, 85768), (3053, 74896), (4402, 51944), (4681, 48848), (5332, 42884), (6106, 37448), (6493, 35216), (8804, 25972), (9362, 24424), (10664, 21442), (10721, 21328), (12212, 18724), (12986, 17608)]