13891372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1149

約数の個数: 24

約数和(自身を含む): 26615232

約数和(自身を除く): 12723860

約数列:

[1, 2, 4, 11, 22, 44, 491, 643, 982, 1286, 1964, 2572, 5401, 7073, 10802, 14146, 21604, 28292, 315713, 631426, 1262852, 3472843, 6945686, 13891372]

約数ペア:

[(1, 13891372), (2, 6945686), (4, 3472843), (11, 1262852), (22, 631426), (44, 315713), (491, 28292), (643, 21604), (982, 14146), (1286, 10802), (1964, 7073), (2572, 5401)]