211281896

素因数分解:

$2^3\times 7^1\times {\mathrm{211}}^1\times {\mathrm{17881}}^1$

素因数の和:18105

約数の個数: 32

約数和(自身を含む): 454918080

約数和(自身を除く): 243636184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 211, 422, 844, 1477, 1688, 2954, 5908, 11816, 17881, 35762, 71524, 125167, 143048, 250334, 500668, 1001336, 3772891, 7545782, 15091564, 26410237, 30183128, 52820474, 105640948, 211281896]

約数ペア:

[(1, 211281896), (2, 105640948), (4, 52820474), (7, 30183128), (8, 26410237), (14, 15091564), (28, 7545782), (56, 3772891), (211, 1001336), (422, 500668), (844, 250334), (1477, 143048), (1688, 125167), (2954, 71524), (5908, 35762), (11816, 17881)]