90186905

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{1451}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 112071168

約数和(自身を除く): 21884263

約数列:

[1, 5, 31, 155, 401, 1451, 2005, 7255, 12431, 44981, 62155, 224905, 581851, 2909255, 18037381, 90186905]

約数ペア:

[(1, 90186905), (5, 18037381), (31, 2909255), (155, 581851), (401, 224905), (1451, 62155), (2005, 44981), (7255, 12431)]