217871270

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{325181}}^1$

素因数の和:325255

約数の個数: 16

約数和(自身を含む): 398022768

約数和(自身を除く): 180151498

約数列:

[1, 2, 5, 10, 67, 134, 335, 670, 325181, 650362, 1625905, 3251810, 21787127, 43574254, 108935635, 217871270]

約数ペア:

[(1, 217871270), (2, 108935635), (5, 43574254), (10, 21787127), (67, 3251810), (134, 1625905), (335, 650362), (670, 325181)]