398800996

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{823969}}^1$

素因数の和:823995

約数の個数: 18

約数和(自身を含む): 767116070

約数和(自身を除く): 368315074

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 823969, 1647938, 3295876, 9063659, 18127318, 36254636, 99700249, 199400498, 398800996]

約数ペア:

[(1, 398800996), (2, 199400498), (4, 99700249), (11, 36254636), (22, 18127318), (44, 9063659), (121, 3295876), (242, 1647938), (484, 823969)]