201917815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{21221}}^1$

素因数の和:21410

約数の個数: 16

約数和(自身を含む): 265869216

約数和(自身を除く): 63951401

約数列:

[1, 5, 11, 55, 173, 865, 1903, 9515, 21221, 106105, 233431, 1167155, 3671233, 18356165, 40383563, 201917815]

約数ペア:

[(1, 201917815), (5, 40383563), (11, 18356165), (55, 3671233), (173, 1167155), (865, 233431), (1903, 106105), (9515, 21221)]