66740045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{21221}}^1$

素因数の和:21280

約数の個数: 16

約数和(自身を含む): 87095088

約数和(自身を除く): 20355043

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 21221, 106105, 360757, 785177, 1803785, 3925885, 13348009, 66740045]

約数ペア:

[(1, 66740045), (5, 13348009), (17, 3925885), (37, 1803785), (85, 785177), (185, 360757), (629, 106105), (3145, 21221)]