128575928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1236307}}^1$

素因数の和:1236326

約数の個数: 16

約数和(自身を含む): 259624680

約数和(自身を除く): 131048752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1236307, 2472614, 4945228, 9890456, 16071991, 32143982, 64287964, 128575928]

約数ペア:

[(1, 128575928), (2, 64287964), (4, 32143982), (8, 16071991), (13, 9890456), (26, 4945228), (52, 2472614), (104, 1236307)]