128812525

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1451}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 165284064

約数和(自身を除く): 36471539

約数列:

[1, 5, 25, 53, 67, 265, 335, 1325, 1451, 1675, 3551, 7255, 17755, 36275, 76903, 88775, 97217, 384515, 486085, 1922575, 2430425, 5152501, 25762505, 128812525]

約数ペア:

[(1, 128812525), (5, 25762505), (25, 5152501), (53, 2430425), (67, 1922575), (265, 486085), (335, 384515), (1325, 97217), (1451, 88775), (1675, 76903), (3551, 36275), (7255, 17755)]