81447516

素因数分解:

$2^2\times 3^2\times {\mathrm{199}}^1\times {\mathrm{11369}}^1$

素因数の和:11578

約数の個数: 36

約数和(自身を含む): 206934000

約数和(自身を除く): 125486484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 199, 398, 597, 796, 1194, 1791, 2388, 3582, 7164, 11369, 22738, 34107, 45476, 68214, 102321, 136428, 204642, 409284, 2262431, 4524862, 6787293, 9049724, 13574586, 20361879, 27149172, 40723758, 81447516]

約数ペア:

[(1, 81447516), (2, 40723758), (3, 27149172), (4, 20361879), (6, 13574586), (9, 9049724), (12, 6787293), (18, 4524862), (36, 2262431), (199, 409284), (398, 204642), (597, 136428), (796, 102321), (1194, 68214), (1791, 45476), (2388, 34107), (3582, 22738), (7164, 11369)]