81169456

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{10957}}^1$

素因数の和:11428

約数の個数: 20

約数和(自身を含む): 157619872

約数和(自身を除く): 76450416

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 3704, 7408, 10957, 21914, 43828, 87656, 175312, 5073091, 10146182, 20292364, 40584728, 81169456]

約数ペア:

[(1, 81169456), (2, 40584728), (4, 20292364), (8, 10146182), (16, 5073091), (463, 175312), (926, 87656), (1852, 43828), (3704, 21914), (7408, 10957)]