1338425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 1880832

約数和(自身を除く): 542407

約数列:

[1, 5, 11, 25, 31, 55, 155, 157, 275, 341, 775, 785, 1705, 1727, 3925, 4867, 8525, 8635, 24335, 43175, 53537, 121675, 267685, 1338425]

約数ペア:

[(1, 1338425), (5, 267685), (11, 121675), (25, 53537), (31, 43175), (55, 24335), (155, 8635), (157, 8525), (275, 4867), (341, 3925), (775, 1727), (785, 1705)]