66864752

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{4217}}^1$

素因数の和:5216

約数の個数: 20

約数和(自身を含む): 129711936

約数和(自身を除く): 62847184

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 4217, 7928, 8434, 15856, 16868, 33736, 67472, 4179047, 8358094, 16716188, 33432376, 66864752]

約数ペア:

[(1, 66864752), (2, 33432376), (4, 16716188), (8, 8358094), (16, 4179047), (991, 67472), (1982, 33736), (3964, 16868), (4217, 15856), (7928, 8434)]