280321601

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{571}}^1$

素因数の和:861

約数の個数: 24

約数和(自身を含む): 335690784

約数和(自身を除く): 55369183

約数列:

[1, 7, 43, 49, 233, 301, 571, 1631, 2107, 3997, 10019, 11417, 24553, 27979, 70133, 133043, 171871, 490931, 931301, 1203097, 5720849, 6519107, 40045943, 280321601]

約数ペア:

[(1, 280321601), (7, 40045943), (43, 6519107), (49, 5720849), (233, 1203097), (301, 931301), (571, 490931), (1631, 171871), (2107, 133043), (3997, 70133), (10019, 27979), (11417, 24553)]