256743952

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{226007}}^1$

素因数の和:226086

約数の個数: 20

約数和(自身を含む): 504449856

約数和(自身を除く): 247705904

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 226007, 452014, 904028, 1808056, 3616112, 16046497, 32092994, 64185988, 128371976, 256743952]

約数ペア:

[(1, 256743952), (2, 128371976), (4, 64185988), (8, 32092994), (16, 16046497), (71, 3616112), (142, 1808056), (284, 904028), (568, 452014), (1136, 226007)]