81653488

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38371}}^1$

素因数の和:38405

約数の個数: 40

約数和(自身を含む): 190325120

約数和(自身を除く): 108671632

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 38371, 76742, 153484, 268597, 306968, 537194, 613936, 729049, 1074388, 1458098, 2148776, 2916196, 4297552, 5103343, 5832392, 10206686, 11664784, 20413372, 40826744, 81653488]

約数ペア:

[(1, 81653488), (2, 40826744), (4, 20413372), (7, 11664784), (8, 10206686), (14, 5832392), (16, 5103343), (19, 4297552), (28, 2916196), (38, 2148776), (56, 1458098), (76, 1074388), (112, 729049), (133, 613936), (152, 537194), (266, 306968), (304, 268597), (532, 153484), (1064, 76742), (2128, 38371)]