219025675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1231}}^1$

素因数の和:1899

約数の個数: 24

約数和(自身を含む): 296980992

約数和(自身を除く): 77955317

約数列:

[1, 5, 11, 25, 55, 275, 647, 1231, 3235, 6155, 7117, 13541, 16175, 30775, 35585, 67705, 177925, 338525, 796457, 3982285, 8761027, 19911425, 43805135, 219025675]

約数ペア:

[(1, 219025675), (5, 43805135), (11, 19911425), (25, 8761027), (55, 3982285), (275, 796457), (647, 338525), (1231, 177925), (3235, 67705), (6155, 35585), (7117, 30775), (13541, 16175)]