247702975

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{20599}}^1$

素因数の和:20659

約数の個数: 24

約数和(自身を含む): 339735200

約数和(自身を除く): 92032225

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 925, 2405, 12025, 20599, 102995, 267787, 514975, 762163, 1338935, 3810815, 6694675, 9908119, 19054075, 49540595, 247702975]

約数ペア:

[(1, 247702975), (5, 49540595), (13, 19054075), (25, 9908119), (37, 6694675), (65, 3810815), (185, 1338935), (325, 762163), (481, 514975), (925, 267787), (2405, 102995), (12025, 20599)]