489291268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{63743}}^1$

素因数の和:63867

約数の個数: 24

約数和(自身を含む): 910264320

約数和(自身を除く): 420973052

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 3838, 7676, 63743, 127486, 254972, 1211117, 2422234, 4844468, 6438043, 12876086, 25752172, 122322817, 244645634, 489291268]

約数ペア:

[(1, 489291268), (2, 244645634), (4, 122322817), (19, 25752172), (38, 12876086), (76, 6438043), (101, 4844468), (202, 2422234), (404, 1211117), (1919, 254972), (3838, 127486), (7676, 63743)]