201881905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1\times {\mathrm{1721}}^1$

素因数の和:2564

約数の個数: 16

約数和(自身を含む): 251067600

約数和(自身を除く): 49185695

約数列:

[1, 5, 29, 145, 809, 1721, 4045, 8605, 23461, 49909, 117305, 249545, 1392289, 6961445, 40376381, 201881905]

約数ペア:

[(1, 201881905), (5, 40376381), (29, 6961445), (145, 1392289), (809, 249545), (1721, 117305), (4045, 49909), (8605, 23461)]