51691787

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10357}}^1$

素因数の和:10418

約数の個数: 16

約数和(自身を含む): 63639552

約数和(自身を除く): 11947765

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 10357, 72499, 238211, 321067, 1667477, 2247469, 7384541, 51691787]

約数ペア:

[(1, 51691787), (7, 7384541), (23, 2247469), (31, 1667477), (161, 321067), (217, 238211), (713, 72499), (4991, 10357)]