209314852

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{647}}^1\times {\mathrm{2609}}^1$

素因数の和:3291

約数の個数: 24

約数和(自身を含む): 378846720

約数和(自身を除く): 169531868

約数列:

[1, 2, 4, 31, 62, 124, 647, 1294, 2588, 2609, 5218, 10436, 20057, 40114, 80228, 80879, 161758, 323516, 1688023, 3376046, 6752092, 52328713, 104657426, 209314852]

約数ペア:

[(1, 209314852), (2, 104657426), (4, 52328713), (31, 6752092), (62, 3376046), (124, 1688023), (647, 323516), (1294, 161758), (2588, 80879), (2609, 80228), (5218, 40114), (10436, 20057)]