206890255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17021}}^1$

素因数の和:17067

約数の個数: 32

約数和(自身を含む): 308847168

約数和(自身を除く): 101956913

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 17021, 85105, 187231, 221273, 289357, 936155, 1106365, 1446785, 2434003, 3182927, 3761641, 12170015, 15914635, 18808205, 41378051, 206890255]

約数ペア:

[(1, 206890255), (5, 41378051), (11, 18808205), (13, 15914635), (17, 12170015), (55, 3761641), (65, 3182927), (85, 2434003), (143, 1446785), (187, 1106365), (221, 936155), (715, 289357), (935, 221273), (1105, 187231), (2431, 85105), (12155, 17021)]