66887792

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245911}}^1$

素因数の和:245936

約数の個数: 20

約数和(自身を含む): 137218896

約数和(自身を除く): 70331104

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245911, 491822, 983644, 1967288, 3934576, 4180487, 8360974, 16721948, 33443896, 66887792]

約数ペア:

[(1, 66887792), (2, 33443896), (4, 16721948), (8, 8360974), (16, 4180487), (17, 3934576), (34, 1967288), (68, 983644), (136, 491822), (272, 245911)]