66990904

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{8467}}^1$

素因数の和:8539

約数の個数: 32

約数和(自身を含む): 134133120

約数和(自身を除く): 67142216

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 344, 989, 1978, 3956, 7912, 8467, 16934, 33868, 67736, 194741, 364081, 389482, 728162, 778964, 1456324, 1557928, 2912648, 8373863, 16747726, 33495452, 66990904]

約数ペア:

[(1, 66990904), (2, 33495452), (4, 16747726), (8, 8373863), (23, 2912648), (43, 1557928), (46, 1456324), (86, 778964), (92, 728162), (172, 389482), (184, 364081), (344, 194741), (989, 67736), (1978, 33868), (3956, 16934), (7912, 8467)]