64640128

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3797}}^1$

素因数の和:3837

約数の個数: 64

約数和(自身を含む): 154958400

約数和(自身を除く): 90318272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1216, 2128, 2432, 3797, 4256, 7594, 8512, 15188, 17024, 26579, 30376, 53158, 60752, 72143, 106316, 121504, 144286, 212632, 243008, 288572, 425264, 486016, 505001, 577144, 850528, 1010002, 1154288, 1701056, 2020004, 2308576, 3402112, 4040008, 4617152, 8080016, 9234304, 16160032, 32320064, 64640128]

約数ペア:

[(1, 64640128), (2, 32320064), (4, 16160032), (7, 9234304), (8, 8080016), (14, 4617152), (16, 4040008), (19, 3402112), (28, 2308576), (32, 2020004), (38, 1701056), (56, 1154288), (64, 1010002), (76, 850528), (112, 577144), (128, 505001), (133, 486016), (152, 425264), (224, 288572), (266, 243008), (304, 212632), (448, 144286), (532, 121504), (608, 106316), (896, 72143), (1064, 60752), (1216, 53158), (2128, 30376), (2432, 26579), (3797, 17024), (4256, 15188), (7594, 8512)]