81021892

素因数分解:

$2^2\times 7^2\times {\mathrm{479}}^1\times {\mathrm{863}}^1$

素因数の和:1360

約数の個数: 36

約数和(自身を含む): 165473280

約数和(自身を除く): 84451388

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 479, 863, 958, 1726, 1916, 3353, 3452, 6041, 6706, 12082, 13412, 23471, 24164, 42287, 46942, 84574, 93884, 169148, 413377, 826754, 1653508, 2893639, 5787278, 11574556, 20255473, 40510946, 81021892]

約数ペア:

[(1, 81021892), (2, 40510946), (4, 20255473), (7, 11574556), (14, 5787278), (28, 2893639), (49, 1653508), (98, 826754), (196, 413377), (479, 169148), (863, 93884), (958, 84574), (1726, 46942), (1916, 42287), (3353, 24164), (3452, 23471), (6041, 13412), (6706, 12082)]