171605990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43889}}^1$

素因数の和:43936

約数の個数: 32

約数和(自身を含む): 341288640

約数和(自身を除く): 169682650

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 43889, 87778, 219445, 438890, 746113, 1009447, 1492226, 2018894, 3730565, 5047235, 7461130, 10094470, 17160599, 34321198, 85802995, 171605990]

約数ペア:

[(1, 171605990), (2, 85802995), (5, 34321198), (10, 17160599), (17, 10094470), (23, 7461130), (34, 5047235), (46, 3730565), (85, 2018894), (115, 1492226), (170, 1009447), (230, 746113), (391, 438890), (782, 219445), (1955, 87778), (3910, 43889)]