80394676

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{409}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 142386440

約数和(自身を除く): 61991764

約数列:

[1, 2, 4, 157, 313, 314, 409, 626, 628, 818, 1252, 1636, 49141, 64213, 98282, 128017, 128426, 196564, 256034, 256852, 512068, 20098669, 40197338, 80394676]

約数ペア:

[(1, 80394676), (2, 40197338), (4, 20098669), (157, 512068), (313, 256852), (314, 256034), (409, 196564), (626, 128426), (628, 128017), (818, 98282), (1252, 64213), (1636, 49141)]