208269985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{540961}}^1$

素因数の和:540984

約数の個数: 16

約数和(自身を含む): 311594112

約数和(自身を除く): 103324127

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 540961, 2704805, 3786727, 5950571, 18933635, 29752855, 41653997, 208269985]

約数ペア:

[(1, 208269985), (5, 41653997), (7, 29752855), (11, 18933635), (35, 5950571), (55, 3786727), (77, 2704805), (385, 540961)]