199983091

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{112921}}^1$

素因数の和:112962

約数の個数: 16

約数和(自身を含む): 260172288

約数和(自身を除く): 60189197

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 112921, 790447, 1242131, 2597183, 8694917, 18180281, 28569013, 199983091]

約数ペア:

[(1, 199983091), (7, 28569013), (11, 18180281), (23, 8694917), (77, 2597183), (161, 1242131), (253, 790447), (1771, 112921)]