289072025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{95561}}^1$

素因数の和:95593

約数の個数: 18

約数和(自身を含む): 394002126

約数和(自身を除く): 104930101

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 95561, 477805, 1051171, 2389025, 5255855, 11562881, 26279275, 57814405, 289072025]

約数ペア:

[(1, 289072025), (5, 57814405), (11, 26279275), (25, 11562881), (55, 5255855), (121, 2389025), (275, 1051171), (605, 477805), (3025, 95561)]