247619905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{3821}}^1$

素因数の和:4836

約数の個数: 16

約数和(自身を含む): 320405904

約数和(自身を除く): 72785999

約数列:

[1, 5, 13, 65, 997, 3821, 4985, 12961, 19105, 49673, 64805, 248365, 3809537, 19047685, 49523981, 247619905]

約数ペア:

[(1, 247619905), (5, 49523981), (13, 19047685), (65, 3809537), (997, 248365), (3821, 64805), (4985, 49673), (12961, 19105)]