128873107

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 161796096

約数和(自身を除く): 32922989

約数列:

[1, 11, 17, 31, 43, 47, 121, 187, 341, 473, 517, 527, 731, 799, 1333, 1457, 2021, 2057, 3751, 5203, 5687, 5797, 8041, 8789, 14663, 16027, 22231, 22661, 24769, 34357, 62651, 63767, 88451, 96679, 161293, 176297, 244541, 249271, 272459, 377927, 689161, 1065067, 2741981, 2997049, 4157197, 7580771, 11715737, 128873107]

約数ペア:

[(1, 128873107), (11, 11715737), (17, 7580771), (31, 4157197), (43, 2997049), (47, 2741981), (121, 1065067), (187, 689161), (341, 377927), (473, 272459), (517, 249271), (527, 244541), (731, 176297), (799, 161293), (1333, 96679), (1457, 88451), (2021, 63767), (2057, 62651), (3751, 34357), (5203, 24769), (5687, 22661), (5797, 22231), (8041, 16027), (8789, 14663)]