40197338

素因数分解:

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

素因数の和:881

約数の個数: 16

約数和(自身を含む): 61022760

約数和(自身を除く): 20825422

約数列:

[1, 2, 157, 313, 314, 409, 626, 818, 49141, 64213, 98282, 128017, 128426, 256034, 20098669, 40197338]

約数ペア:

[(1, 40197338), (2, 20098669), (157, 256034), (313, 128426), (314, 128017), (409, 98282), (626, 64213), (818, 49141)]