16720565178

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{39250153}}^1$

素因数の和:39250229

約数の個数: 16

約数和(自身を含む): 33912133056

約数和(自身を除く): 17191567878

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 39250153, 78500306, 117750459, 235500918, 2786760863, 5573521726, 8360282589, 16720565178]

約数ペア:

[(1, 16720565178), (2, 8360282589), (3, 5573521726), (6, 2786760863), (71, 235500918), (142, 117750459), (213, 78500306), (426, 39250153)]