261002045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 341839872

約数和(自身を除く): 80837827

約数列:

[1, 5, 23, 43, 47, 115, 215, 235, 989, 1081, 1123, 2021, 4945, 5405, 5615, 10105, 25829, 46483, 48289, 52781, 129145, 232415, 241445, 263905, 1110647, 1213963, 2269583, 5553235, 6069815, 11347915, 52200409, 261002045]

約数ペア:

[(1, 261002045), (5, 52200409), (23, 11347915), (43, 6069815), (47, 5553235), (115, 2269583), (215, 1213963), (235, 1110647), (989, 263905), (1081, 241445), (1123, 232415), (2021, 129145), (4945, 52781), (5405, 48289), (5615, 46483), (10105, 25829)]