168163060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{646781}}^1$

素因数の和:646803

約数の個数: 24

約数和(自身を含む): 380307816

約数和(自身を除く): 212144756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 646781, 1293562, 2587124, 3233905, 6467810, 8408153, 12935620, 16816306, 33632612, 42040765, 84081530, 168163060]

約数ペア:

[(1, 168163060), (2, 84081530), (4, 42040765), (5, 33632612), (10, 16816306), (13, 12935620), (20, 8408153), (26, 6467810), (52, 3233905), (65, 2587124), (130, 1293562), (260, 646781)]