81512556

素因数分解:

$2^2\times 3^1\times {\mathrm{1021}}^1\times {\mathrm{6653}}^1$

素因数の和:7681

約数の個数: 24

約数和(自身を含む): 190410864

約数和(自身を除く): 108898308

約数列:

[1, 2, 3, 4, 6, 12, 1021, 2042, 3063, 4084, 6126, 6653, 12252, 13306, 19959, 26612, 39918, 79836, 6792713, 13585426, 20378139, 27170852, 40756278, 81512556]

約数ペア:

[(1, 81512556), (2, 40756278), (3, 27170852), (4, 20378139), (6, 13585426), (12, 6792713), (1021, 79836), (2042, 39918), (3063, 26612), (4084, 19959), (6126, 13306), (6653, 12252)]