199955855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{40849}}^1$

素因数の和:40954

約数の個数: 16

約数和(自身を含む): 264708000

約数和(自身を除く): 64752145

約数列:

[1, 5, 11, 55, 89, 445, 979, 4895, 40849, 204245, 449339, 2246695, 3635561, 18177805, 39991171, 199955855]

約数ペア:

[(1, 199955855), (5, 39991171), (11, 18177805), (55, 3635561), (89, 2246695), (445, 449339), (979, 204245), (4895, 40849)]