251012564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{518621}}^1$

素因数の和:518647

約数の個数: 18

約数和(自身を含む): 482837082

約数和(自身を除く): 231824518

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 518621, 1037242, 2074484, 5704831, 11409662, 22819324, 62753141, 125506282, 251012564]

約数ペア:

[(1, 251012564), (2, 125506282), (4, 62753141), (11, 22819324), (22, 11409662), (44, 5704831), (121, 2074484), (242, 1037242), (484, 518621)]