248601275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17789}}^1$

素因数の和:17855

約数の個数: 24

約数和(自身を含む): 339717840

約数和(自身を除く): 91116565

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2795, 13975, 17789, 88945, 231257, 444725, 764927, 1156285, 3824635, 5781425, 9944051, 19123175, 49720255, 248601275]

約数ペア:

[(1, 248601275), (5, 49720255), (13, 19123175), (25, 9944051), (43, 5781425), (65, 3824635), (215, 1156285), (325, 764927), (559, 444725), (1075, 231257), (2795, 88945), (13975, 17789)]