257918810

素因数分解:

$2^1\times 5^1\times {\mathrm{1217}}^1\times {\mathrm{21193}}^1$

素因数の和:22417

約数の個数: 16

約数和(自身を含む): 464657256

約数和(自身を除く): 206738446

約数列:

[1, 2, 5, 10, 1217, 2434, 6085, 12170, 21193, 42386, 105965, 211930, 25791881, 51583762, 128959405, 257918810]

約数ペア:

[(1, 257918810), (2, 128959405), (5, 51583762), (10, 25791881), (1217, 211930), (2434, 105965), (6085, 42386), (12170, 21193)]