206738785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{20101}}^1$

素因数の和:20145

約数の個数: 24

約数和(自身を含む): 288745128

約数和(自身を除く): 82006343

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 2057, 10285, 20101, 100505, 221111, 341717, 1105555, 1708585, 2432221, 3758887, 12161105, 18794435, 41347757, 206738785]

約数ペア:

[(1, 206738785), (5, 41347757), (11, 18794435), (17, 12161105), (55, 3758887), (85, 2432221), (121, 1708585), (187, 1105555), (605, 341717), (935, 221111), (2057, 100505), (10285, 20101)]