205656803135

素因数分解:

$5^1\times 7^2\times {\mathrm{523}}^1\times {\mathrm{1605001}}^1$

素因数の和:1605543

約数の個数: 24

約数和(自身を含む): 287629198416

約数和(自身を除く): 81972395281

約数列:

[1, 5, 7, 35, 49, 245, 523, 2615, 3661, 18305, 25627, 128135, 1605001, 8025005, 11235007, 56175035, 78645049, 393225245, 839415523, 4197077615, 5875908661, 29379543305, 41131360627, 205656803135]

約数ペア:

[(1, 205656803135), (5, 41131360627), (7, 29379543305), (35, 5875908661), (49, 4197077615), (245, 839415523), (523, 393225245), (2615, 78645049), (3661, 56175035), (18305, 11235007), (25627, 8025005), (128135, 1605001)]