66825776

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245683}}^1$

素因数の和:245708

約数の個数: 20

約数和(自身を含む): 137091672

約数和(自身を除く): 70265896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245683, 491366, 982732, 1965464, 3930928, 4176611, 8353222, 16706444, 33412888, 66825776]

約数ペア:

[(1, 66825776), (2, 33412888), (4, 16706444), (8, 8353222), (16, 4176611), (17, 3930928), (34, 1965464), (68, 982732), (136, 491366), (272, 245683)]