81609728

素因数分解:

$2^{10}\times {\mathrm{79697}}^1$

素因数の和:79717

約数の個数: 22

約数和(自身を含む): 163141806

約数和(自身を除く): 81532078

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 79697, 159394, 318788, 637576, 1275152, 2550304, 5100608, 10201216, 20402432, 40804864, 81609728]

約数ペア:

[(1, 81609728), (2, 40804864), (4, 20402432), (8, 10201216), (16, 5100608), (32, 2550304), (64, 1275152), (128, 637576), (256, 318788), (512, 159394), (1024, 79697)]