248223745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{1489}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 372476160

約数和(自身を除く): 124252415

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 433, 1489, 2165, 3031, 4763, 7445, 10423, 15155, 16379, 23815, 33341, 52115, 81895, 114653, 166705, 573265, 644737, 3223685, 4513159, 7092107, 22565795, 35460535, 49644749, 248223745]

約数ペア:

[(1, 248223745), (5, 49644749), (7, 35460535), (11, 22565795), (35, 7092107), (55, 4513159), (77, 3223685), (385, 644737), (433, 573265), (1489, 166705), (2165, 114653), (3031, 81895), (4763, 52115), (7445, 33341), (10423, 23815), (15155, 16379)]