31291195

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1999

約数の個数: 24

約数和(自身を含む): 42822000

約数和(自身を除く): 11530805

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 1949, 3211, 9745, 16055, 25337, 37031, 126685, 185155, 329381, 481403, 1646905, 2407015, 6258239, 31291195]

約数ペア:

[(1, 31291195), (5, 6258239), (13, 2407015), (19, 1646905), (65, 481403), (95, 329381), (169, 185155), (247, 126685), (845, 37031), (1235, 25337), (1949, 16055), (3211, 9745)]