2181666175

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{65173}}^1$

素因数の和:65299

約数の個数: 24

約数和(自身を含む): 2941693664

約数和(自身を除く): 760027489

約数列:

[1, 5, 13, 25, 65, 103, 325, 515, 1339, 2575, 6695, 33475, 65173, 325865, 847249, 1629325, 4236245, 6712819, 21181225, 33564095, 87266647, 167820475, 436333235, 2181666175]

約数ペア:

[(1, 2181666175), (5, 436333235), (13, 167820475), (25, 87266647), (65, 33564095), (103, 21181225), (325, 6712819), (515, 4236245), (1339, 1629325), (2575, 847249), (6695, 325865), (33475, 65173)]