98972005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{20219}}^1$

素因数の和:20324

約数の個数: 16

約数和(自身を含む): 131025600

約数和(自身を除く): 32053595

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 20219, 101095, 222409, 1112045, 1799491, 8997455, 19794401, 98972005]

約数ペア:

[(1, 98972005), (5, 19794401), (11, 8997455), (55, 1799491), (89, 1112045), (445, 222409), (979, 101095), (4895, 20219)]