198069985

素因数分解:

$5^1\times {\mathrm{47}}^2\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 24

約数和(自身を含む): 247006080

約数和(自身を除く): 48936095

約数列:

[1, 5, 47, 79, 227, 235, 395, 1135, 2209, 3713, 10669, 11045, 17933, 18565, 53345, 89665, 174511, 501443, 842851, 872555, 2507215, 4214255, 39613997, 198069985]

約数ペア:

[(1, 198069985), (5, 39613997), (47, 4214255), (79, 2507215), (227, 872555), (235, 842851), (395, 501443), (1135, 174511), (2209, 89665), (3713, 53345), (10669, 18565), (11045, 17933)]