172756456

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{1291}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 332560800

約数和(自身を除く): 159804344

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 389, 778, 1291, 1556, 2582, 3112, 5164, 10328, 16727, 33454, 55513, 66908, 111026, 133816, 222052, 444104, 502199, 1004398, 2008796, 4017592, 21594557, 43189114, 86378228, 172756456]

約数ペア:

[(1, 172756456), (2, 86378228), (4, 43189114), (8, 21594557), (43, 4017592), (86, 2008796), (172, 1004398), (344, 502199), (389, 444104), (778, 222052), (1291, 133816), (1556, 111026), (2582, 66908), (3112, 55513), (5164, 33454), (10328, 16727)]