66710992

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245261}}^1$

素因数の和:245286

約数の個数: 20

約数和(自身を含む): 136856196

約数和(自身を除く): 70145204

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245261, 490522, 981044, 1962088, 3924176, 4169437, 8338874, 16677748, 33355496, 66710992]

約数ペア:

[(1, 66710992), (2, 33355496), (4, 16677748), (8, 8338874), (16, 4169437), (17, 3924176), (34, 1962088), (68, 981044), (136, 490522), (272, 245261)]