66817616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245653}}^1$

素因数の和:245678

約数の個数: 20

約数和(自身を含む): 137074932

約数和(自身を除く): 70257316

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245653, 491306, 982612, 1965224, 3930448, 4176101, 8352202, 16704404, 33408808, 66817616]

約数ペア:

[(1, 66817616), (2, 33408808), (4, 16704404), (8, 8352202), (16, 4176101), (17, 3930448), (34, 1965224), (68, 982612), (136, 491306), (272, 245653)]