128945908

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{354247}}^1$

素因数の和:354271

約数の個数: 24

約数和(自身を含む): 277730432

約数和(自身を除く): 148784524

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 354247, 708494, 1416988, 2479729, 4605211, 4959458, 9210422, 9918916, 18420844, 32236477, 64472954, 128945908]

約数ペア:

[(1, 128945908), (2, 64472954), (4, 32236477), (7, 18420844), (13, 9918916), (14, 9210422), (26, 4959458), (28, 4605211), (52, 2479729), (91, 1416988), (182, 708494), (364, 354247)]