64067764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{21911}}^1$

素因数の和:21975

約数の個数: 24

約数和(自身を含む): 121480128

約数和(自身を除く): 57412364

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 21911, 43822, 87644, 372487, 744974, 942173, 1489948, 1884346, 3768692, 16016941, 32033882, 64067764]

約数ペア:

[(1, 64067764), (2, 32033882), (4, 16016941), (17, 3768692), (34, 1884346), (43, 1489948), (68, 942173), (86, 744974), (172, 372487), (731, 87644), (1462, 43822), (2924, 21911)]