213131912

素因数分解:

$2^3\times 7^1\times {\mathrm{3805927}}^1$

素因数の和:3805940

約数の個数: 16

約数和(自身を含む): 456711360

約数和(自身を除く): 243579448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 3805927, 7611854, 15223708, 26641489, 30447416, 53282978, 106565956, 213131912]

約数ペア:

[(1, 213131912), (2, 106565956), (4, 53282978), (7, 30447416), (8, 26641489), (14, 15223708), (28, 7611854), (56, 3805927)]