211177981

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{10321}}^1$

素因数の和:10444

約数の個数: 16

約数和(自身を含む): 251031040

約数和(自身を除く): 39853059

約数列:

[1, 7, 37, 79, 259, 553, 2923, 10321, 20461, 72247, 381877, 815359, 2673139, 5707513, 30168283, 211177981]

約数ペア:

[(1, 211177981), (7, 30168283), (37, 5707513), (79, 2673139), (259, 815359), (553, 381877), (2923, 72247), (10321, 20461)]