81275774

素因数分解:

$2^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1\times {\mathrm{881}}^1$

素因数の和:1315

約数の個数: 16

約数和(自身を含む): 123197760

約数和(自身を除く): 41921986

約数列:

[1, 2, 193, 239, 386, 478, 881, 1762, 46127, 92254, 170033, 210559, 340066, 421118, 40637887, 81275774]

約数ペア:

[(1, 81275774), (2, 40637887), (193, 421118), (239, 340066), (386, 210559), (478, 170033), (881, 92254), (1762, 46127)]