220093225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{647}}^1\times {\mathrm{1237}}^1$

素因数の和:1905

約数の個数: 24

約数和(自身を含む): 298427328

約数和(自身を除く): 78334103

約数列:

[1, 5, 11, 25, 55, 275, 647, 1237, 3235, 6185, 7117, 13607, 16175, 30925, 35585, 68035, 177925, 340175, 800339, 4001695, 8803729, 20008475, 44018645, 220093225]

約数ペア:

[(1, 220093225), (5, 44018645), (11, 20008475), (25, 8803729), (55, 4001695), (275, 800339), (647, 340175), (1237, 177925), (3235, 68035), (6185, 35585), (7117, 30925), (13607, 16175)]