28261270

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{42181}}^1$

素因数の和:42255

約数の個数: 16

約数和(自身を含む): 51630768

約数和(自身を除く): 23369498

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 42181, 84362, 210905, 421810, 2826127, 5652254, 14130635, 28261270]

約数ペア:

[(1, 28261270), (2, 14130635), (5, 5652254), (10, 2826127), (67, 421810), (134, 210905), (335, 84362), (670, 42181)]