8640128

素因数分解:

$2^7\times 7^1\times {\mathrm{9643}}^1$

素因数の和:9664

約数の個数: 32

約数和(自身を含む): 19673760

約数和(自身を除く): 11033632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 9643, 19286, 38572, 67501, 77144, 135002, 154288, 270004, 308576, 540008, 617152, 1080016, 1234304, 2160032, 4320064, 8640128]

約数ペア:

[(1, 8640128), (2, 4320064), (4, 2160032), (7, 1234304), (8, 1080016), (14, 617152), (16, 540008), (28, 308576), (32, 270004), (56, 154288), (64, 135002), (112, 77144), (128, 67501), (224, 38572), (448, 19286), (896, 9643)]