66400964

素因数分解:

$2^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2393}}^1$

素因数の和:3395

約数の個数: 24

約数和(自身を含む): 132991488

約数和(自身を除く): 66590524

約数列:

[1, 2, 4, 7, 14, 28, 991, 1982, 2393, 3964, 4786, 6937, 9572, 13874, 16751, 27748, 33502, 67004, 2371463, 4742926, 9485852, 16600241, 33200482, 66400964]

約数ペア:

[(1, 66400964), (2, 33200482), (4, 16600241), (7, 9485852), (14, 4742926), (28, 2371463), (991, 67004), (1982, 33502), (2393, 27748), (3964, 16751), (4786, 13874), (6937, 9572)]