65278945

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 24

約数和(自身を含む): 83958336

約数和(自身を除く): 18679391

約数列:

[1, 5, 23, 43, 115, 215, 307, 989, 1535, 1849, 4945, 7061, 9245, 13201, 35305, 42527, 66005, 212635, 303623, 567643, 1518115, 2838215, 13055789, 65278945]

約数ペア:

[(1, 65278945), (5, 13055789), (23, 2838215), (43, 1518115), (115, 567643), (215, 303623), (307, 212635), (989, 66005), (1535, 42527), (1849, 35305), (4945, 13201), (7061, 9245)]