28503496

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 67716000

約数和(自身を除く): 39212504

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 49, 56, 76, 86, 89, 98, 133, 152, 172, 178, 196, 266, 301, 344, 356, 392, 532, 602, 623, 712, 817, 931, 1064, 1204, 1246, 1634, 1691, 1862, 2107, 2408, 2492, 3268, 3382, 3724, 3827, 4214, 4361, 4984, 5719, 6536, 6764, 7448, 7654, 8428, 8722, 11438, 11837, 13528, 15308, 16856, 17444, 22876, 23674, 26789, 30616, 34888, 40033, 45752, 47348, 53578, 72713, 80066, 82859, 94696, 107156, 145426, 160132, 165718, 187523, 214312, 290852, 320264, 331436, 375046, 508991, 581704, 662872, 750092, 1017982, 1500184, 2035964, 3562937, 4071928, 7125874, 14251748, 28503496]

約数ペア:

[(1, 28503496), (2, 14251748), (4, 7125874), (7, 4071928), (8, 3562937), (14, 2035964), (19, 1500184), (28, 1017982), (38, 750092), (43, 662872), (49, 581704), (56, 508991), (76, 375046), (86, 331436), (89, 320264), (98, 290852), (133, 214312), (152, 187523), (172, 165718), (178, 160132), (196, 145426), (266, 107156), (301, 94696), (344, 82859), (356, 80066), (392, 72713), (532, 53578), (602, 47348), (623, 45752), (712, 40033), (817, 34888), (931, 30616), (1064, 26789), (1204, 23674), (1246, 22876), (1634, 17444), (1691, 16856), (1862, 15308), (2107, 13528), (2408, 11837), (2492, 11438), (3268, 8722), (3382, 8428), (3724, 7654), (3827, 7448), (4214, 6764), (4361, 6536), (4984, 5719)]