247013905

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 316616832

約数和(自身を除く): 69602927

約数列:

[1, 5, 23, 47, 115, 235, 529, 1081, 1987, 2645, 5405, 9935, 24863, 45701, 93389, 124315, 228505, 466945, 1051123, 2147947, 5255615, 10739735, 49402781, 247013905]

約数ペア:

[(1, 247013905), (5, 49402781), (23, 10739735), (47, 5255615), (115, 2147947), (235, 1051123), (529, 466945), (1081, 228505), (1987, 124315), (2645, 93389), (5405, 45701), (9935, 24863)]