31298561

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{6271}}^1$

素因数の和:6332

約数の個数: 16

約数和(自身を含む): 38535168

約数和(自身を除く): 7236607

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 6271, 43897, 144233, 194401, 1009631, 1360807, 4471223, 31298561]

約数ペア:

[(1, 31298561), (7, 4471223), (23, 1360807), (31, 1009631), (161, 194401), (217, 144233), (713, 43897), (4991, 6271)]