171139990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{11587}}^1$

素因数の和:11812

約数の個数: 32

約数和(自身を含む): 353758464

約数和(自身を除く): 182618474

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 11587, 14770, 23174, 57935, 81109, 115870, 162218, 405545, 811090, 2444857, 4889714, 12224285, 17113999, 24448570, 34227998, 85569995, 171139990]

約数ペア:

[(1, 171139990), (2, 85569995), (5, 34227998), (7, 24448570), (10, 17113999), (14, 12224285), (35, 4889714), (70, 2444857), (211, 811090), (422, 405545), (1055, 162218), (1477, 115870), (2110, 81109), (2954, 57935), (7385, 23174), (11587, 14770)]