998889265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{1663}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 1336098816

約数和(自身を除く): 337209551

約数列:

[1, 5, 11, 55, 67, 163, 335, 737, 815, 1663, 1793, 3685, 8315, 8965, 10921, 18293, 54605, 91465, 111421, 120131, 271069, 557105, 600655, 1225631, 1355345, 2981759, 6128155, 14908795, 18161623, 90808115, 199777853, 998889265]

約数ペア:

[(1, 998889265), (5, 199777853), (11, 90808115), (55, 18161623), (67, 14908795), (163, 6128155), (335, 2981759), (737, 1355345), (815, 1225631), (1663, 600655), (1793, 557105), (3685, 271069), (8315, 120131), (8965, 111421), (10921, 91465), (18293, 54605)]