38655904

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 72

約数和(自身を含む): 89846820

約数和(自身を除く): 51190916

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 224, 277, 356, 392, 554, 623, 712, 784, 1108, 1246, 1424, 1568, 1939, 2216, 2492, 2848, 3878, 4361, 4432, 4984, 7756, 8722, 8864, 9968, 13573, 15512, 17444, 19936, 24653, 27146, 31024, 34888, 49306, 54292, 62048, 69776, 98612, 108584, 139552, 172571, 197224, 217168, 345142, 394448, 434336, 690284, 788896, 1207997, 1380568, 2415994, 2761136, 4831988, 5522272, 9663976, 19327952, 38655904]

約数ペア:

[(1, 38655904), (2, 19327952), (4, 9663976), (7, 5522272), (8, 4831988), (14, 2761136), (16, 2415994), (28, 1380568), (32, 1207997), (49, 788896), (56, 690284), (89, 434336), (98, 394448), (112, 345142), (178, 217168), (196, 197224), (224, 172571), (277, 139552), (356, 108584), (392, 98612), (554, 69776), (623, 62048), (712, 54292), (784, 49306), (1108, 34888), (1246, 31024), (1424, 27146), (1568, 24653), (1939, 19936), (2216, 17444), (2492, 15512), (2848, 13573), (3878, 9968), (4361, 8864), (4432, 8722), (4984, 7756)]