400268

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{827}}^1$

素因数の和:853

約数の個数: 18

約数和(自身を含む): 770868

約数和(自身を除く): 370600

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 827, 1654, 3308, 9097, 18194, 36388, 100067, 200134, 400268]

約数ペア:

[(1, 400268), (2, 200134), (4, 100067), (11, 36388), (22, 18194), (44, 9097), (121, 3308), (242, 1654), (484, 827)]