87142664

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{81901}}^1$

素因数の和:81933

約数の個数: 32

約数和(自身を含む): 196564800

約数和(自身を除く): 109422136

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 81901, 163802, 327604, 573307, 655208, 1146614, 1556119, 2293228, 3112238, 4586456, 6224476, 10892833, 12448952, 21785666, 43571332, 87142664]

約数ペア:

[(1, 87142664), (2, 43571332), (4, 21785666), (7, 12448952), (8, 10892833), (14, 6224476), (19, 4586456), (28, 3112238), (38, 2293228), (56, 1556119), (76, 1146614), (133, 655208), (152, 573307), (266, 327604), (532, 163802), (1064, 81901)]