80193128

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{353}}^1\times {\mathrm{389}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 153246600

約数和(自身を除く): 73053472

約数列:

[1, 2, 4, 8, 73, 146, 292, 353, 389, 584, 706, 778, 1412, 1556, 2824, 3112, 25769, 28397, 51538, 56794, 103076, 113588, 137317, 206152, 227176, 274634, 549268, 1098536, 10024141, 20048282, 40096564, 80193128]

約数ペア:

[(1, 80193128), (2, 40096564), (4, 20048282), (8, 10024141), (73, 1098536), (146, 549268), (292, 274634), (353, 227176), (389, 206152), (584, 137317), (706, 113588), (778, 103076), (1412, 56794), (1556, 51538), (2824, 28397), (3112, 25769)]