81455478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{13219}}^1$

素因数の和:13316

約数の個数: 32

約数和(自身を含む): 177676800

約数和(自身を除く): 96221322

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 79, 158, 237, 474, 1027, 2054, 3081, 6162, 13219, 26438, 39657, 79314, 171847, 343694, 515541, 1031082, 1044301, 2088602, 3132903, 6265806, 13575913, 27151826, 40727739, 81455478]

約数ペア:

[(1, 81455478), (2, 40727739), (3, 27151826), (6, 13575913), (13, 6265806), (26, 3132903), (39, 2088602), (78, 1044301), (79, 1031082), (158, 515541), (237, 343694), (474, 171847), (1027, 79314), (2054, 39657), (3081, 26438), (6162, 13219)]