28657446

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{67271}}^1$

素因数の和:67347

約数の個数: 16

約数和(自身を含む): 58123008

約数和(自身を除く): 29465562

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 67271, 134542, 201813, 403626, 4776241, 9552482, 14328723, 28657446]

約数ペア:

[(1, 28657446), (2, 14328723), (3, 9552482), (6, 4776241), (71, 403626), (142, 201813), (213, 134542), (426, 67271)]