81113356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{3853}}^1$

素因数の和:4153

約数の個数: 24

約数和(自身を含む): 149997680

約数和(自身を除く): 68884324

約数列:

[1, 2, 4, 19, 38, 76, 277, 554, 1108, 3853, 5263, 7706, 10526, 15412, 21052, 73207, 146414, 292828, 1067281, 2134562, 4269124, 20278339, 40556678, 81113356]

約数ペア:

[(1, 81113356), (2, 40556678), (4, 20278339), (19, 4269124), (38, 2134562), (76, 1067281), (277, 292828), (554, 146414), (1108, 73207), (3853, 21052), (5263, 15412), (7706, 10526)]