1271252

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 2402400

約数和(自身を除く): 1131148

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 172, 389, 778, 817, 1556, 1634, 3268, 7391, 14782, 16727, 29564, 33454, 66908, 317813, 635626, 1271252]

約数ペア:

[(1, 1271252), (2, 635626), (4, 317813), (19, 66908), (38, 33454), (43, 29564), (76, 16727), (86, 14782), (172, 7391), (389, 3268), (778, 1634), (817, 1556)]