81518578

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43223}}^1$

素因数の和:43289

約数の個数: 16

約数和(自身を含む): 130709376

約数和(自身を除く): 49190798

約数列:

[1, 2, 23, 41, 46, 82, 943, 1886, 43223, 86446, 994129, 1772143, 1988258, 3544286, 40759289, 81518578]

約数ペア:

[(1, 81518578), (2, 40759289), (23, 3544286), (41, 1988258), (46, 1772143), (82, 994129), (943, 86446), (1886, 43223)]