521006975

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1\times {\mathrm{1051}}^1$

素因数の和:1391

約数の個数: 24

約数和(自身を含む): 657457920

約数和(自身を除く): 136450945

約数列:

[1, 5, 25, 79, 251, 395, 1051, 1255, 1975, 5255, 6275, 19829, 26275, 83029, 99145, 263801, 415145, 495725, 1319005, 2075725, 6595025, 20840279, 104201395, 521006975]

約数ペア:

[(1, 521006975), (5, 104201395), (25, 20840279), (79, 6595025), (251, 2075725), (395, 1319005), (1051, 495725), (1255, 415145), (1975, 263801), (5255, 99145), (6275, 83029), (19829, 26275)]