71568994

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:978

約数の個数: 32

約数和(自身を含む): 125971200

約数和(自身を除く): 54402206

約数列:

[1, 2, 7, 14, 71, 89, 142, 178, 497, 623, 809, 994, 1246, 1618, 5663, 6319, 11326, 12638, 44233, 57439, 72001, 88466, 114878, 144002, 402073, 504007, 804146, 1008014, 5112071, 10224142, 35784497, 71568994]

約数ペア:

[(1, 71568994), (2, 35784497), (7, 10224142), (14, 5112071), (71, 1008014), (89, 804146), (142, 504007), (178, 402073), (497, 144002), (623, 114878), (809, 88466), (994, 72001), (1246, 57439), (1618, 44233), (5663, 12638), (6319, 11326)]