127013168

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{20407}}^1$

素因数の和:20804

約数の個数: 20

約数和(自身を含む): 246732720

約数和(自身を除く): 119719552

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 20407, 40814, 81628, 163256, 326512, 7938323, 15876646, 31753292, 63506584, 127013168]

約数ペア:

[(1, 127013168), (2, 63506584), (4, 31753292), (8, 15876646), (16, 7938323), (389, 326512), (778, 163256), (1556, 81628), (3112, 40814), (6224, 20407)]