81176175376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{117988627}}^1$

素因数の和:117988678

約数の個数: 20

約数和(自身を含む): 160936488592

約数和(自身を除く): 79760313216

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 117988627, 235977254, 471954508, 943909016, 1887818032, 5073510961, 10147021922, 20294043844, 40588087688, 81176175376]

約数ペア:

[(1, 81176175376), (2, 40588087688), (4, 20294043844), (8, 10147021922), (16, 5073510961), (43, 1887818032), (86, 943909016), (172, 471954508), (344, 235977254), (688, 117988627)]