81247812

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157457}}^1$

素因数の和:157507

約数の個数: 24

約数和(自身を含む): 193988256

約数和(自身を除く): 112740444

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 157457, 314914, 472371, 629828, 944742, 1889484, 6770651, 13541302, 20311953, 27082604, 40623906, 81247812]

約数ペア:

[(1, 81247812), (2, 40623906), (3, 27082604), (4, 20311953), (6, 13541302), (12, 6770651), (43, 1889484), (86, 944742), (129, 629828), (172, 472371), (258, 314914), (516, 157457)]