99780205

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40153}}^1$

素因数の和:40236

約数の個数: 16

約数和(自身を含む): 138772224

約数和(自身を除く): 38992019

約数列:

[1, 5, 7, 35, 71, 355, 497, 2485, 40153, 200765, 281071, 1405355, 2850863, 14254315, 19956041, 99780205]

約数ペア:

[(1, 99780205), (5, 19956041), (7, 14254315), (35, 2850863), (71, 1405355), (355, 281071), (497, 200765), (2485, 40153)]