128901025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{9973}}^1$

素因数の和:10041

約数の個数: 24

約数和(自身を含む): 178095744

約数和(自身を除く): 49194719

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 9973, 12925, 49865, 109703, 249325, 468731, 548515, 2343655, 2742575, 5156041, 11718275, 25780205, 128901025]

約数ペア:

[(1, 128901025), (5, 25780205), (11, 11718275), (25, 5156041), (47, 2742575), (55, 2343655), (235, 548515), (275, 468731), (517, 249325), (1175, 109703), (2585, 49865), (9973, 12925)]