208380385

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{8761}}^1$

素因数の和:8904

約数の個数: 16

約数和(自身を含む): 257392512

約数和(自身を除く): 49012127

約数列:

[1, 5, 67, 71, 335, 355, 4757, 8761, 23785, 43805, 586987, 622031, 2934935, 3110155, 41676077, 208380385]

約数ペア:

[(1, 208380385), (5, 41676077), (67, 3110155), (71, 2934935), (335, 622031), (355, 586987), (4757, 43805), (8761, 23785)]