81691648

素因数分解:

$2^{10}\times {\mathrm{79777}}^1$

素因数の和:79797

約数の個数: 22

約数和(自身を含む): 163305566

約数和(自身を除く): 81613918

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 79777, 159554, 319108, 638216, 1276432, 2552864, 5105728, 10211456, 20422912, 40845824, 81691648]

約数ペア:

[(1, 81691648), (2, 40845824), (4, 20422912), (8, 10211456), (16, 5105728), (32, 2552864), (64, 1276432), (128, 638216), (256, 319108), (512, 159554), (1024, 79777)]