28471142

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{28643}}^1$

素因数の和:28723

約数の個数: 16

約数和(自身を含む): 49496832

約数和(自身を除く): 21025690

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 28643, 57286, 200501, 401002, 2033653, 4067306, 14235571, 28471142]

約数ペア:

[(1, 28471142), (2, 14235571), (7, 4067306), (14, 2033653), (71, 401002), (142, 200501), (497, 57286), (994, 28643)]