1289245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 1673280

約数和(自身を除く): 384035

約数列:

[1, 5, 19, 41, 95, 205, 331, 779, 1655, 3895, 6289, 13571, 31445, 67855, 257849, 1289245]

約数ペア:

[(1, 1289245), (5, 257849), (19, 67855), (41, 31445), (95, 13571), (205, 6289), (331, 3895), (779, 1655)]