217349870

素因数分解:

$2^1\times 5^1\times {\mathrm{797}}^1\times {\mathrm{27271}}^1$

素因数の和:28075

約数の個数: 16

約数和(自身を含む): 391735008

約数和(自身を除く): 174385138

約数列:

[1, 2, 5, 10, 797, 1594, 3985, 7970, 27271, 54542, 136355, 272710, 21734987, 43469974, 108674935, 217349870]

約数ペア:

[(1, 217349870), (2, 108674935), (5, 43469974), (10, 21734987), (797, 272710), (1594, 136355), (3985, 54542), (7970, 27271)]