90640865

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 127961856

約数和(自身を除く): 37320991

約数列:

[1, 5, 7, 35, 53, 131, 265, 371, 373, 655, 917, 1855, 1865, 2611, 4585, 6943, 13055, 19769, 34715, 48601, 48863, 98845, 138383, 243005, 244315, 342041, 691915, 1710205, 2589739, 12948695, 18128173, 90640865]

約数ペア:

[(1, 90640865), (5, 18128173), (7, 12948695), (35, 2589739), (53, 1710205), (131, 691915), (265, 342041), (371, 244315), (373, 243005), (655, 138383), (917, 98845), (1855, 48863), (1865, 48601), (2611, 34715), (4585, 19769), (6943, 13055)]