642912128

素因数分解:

$2^7\times {\mathrm{1709}}^1\times {\mathrm{2939}}^1$

素因数の和:4662

約数の個数: 32

約数和(自身を含む): 1281987000

約数和(自身を除く): 639074872

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 1709, 2939, 3418, 5878, 6836, 11756, 13672, 23512, 27344, 47024, 54688, 94048, 109376, 188096, 218752, 376192, 5022751, 10045502, 20091004, 40182008, 80364016, 160728032, 321456064, 642912128]

約数ペア:

[(1, 642912128), (2, 321456064), (4, 160728032), (8, 80364016), (16, 40182008), (32, 20091004), (64, 10045502), (128, 5022751), (1709, 376192), (2939, 218752), (3418, 188096), (5878, 109376), (6836, 94048), (11756, 54688), (13672, 47024), (23512, 27344)]