198971135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{190403}}^1$

素因数の和:190438

約数の個数: 16

約数和(自身を含む): 274181760

約数和(自身を除く): 75210625

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 190403, 952015, 2094433, 3617657, 10472165, 18088285, 39794227, 198971135]

約数ペア:

[(1, 198971135), (5, 39794227), (11, 18088285), (19, 10472165), (55, 3617657), (95, 2094433), (209, 952015), (1045, 190403)]