81665572

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{8461}}^1$

素因数の和:8611

約数の個数: 24

約数和(自身を含む): 151639040

約数和(自身を除く): 69973468

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 8461, 9652, 16922, 33844, 160759, 321518, 643036, 1074547, 2149094, 4298188, 20416393, 40832786, 81665572]

約数ペア:

[(1, 81665572), (2, 40832786), (4, 20416393), (19, 4298188), (38, 2149094), (76, 1074547), (127, 643036), (254, 321518), (508, 160759), (2413, 33844), (4826, 16922), (8461, 9652)]