28357322

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 50319360

約数和(自身を除く): 21962038

約数列:

[1, 2, 7, 14, 41, 82, 127, 254, 287, 389, 574, 778, 889, 1778, 2723, 5207, 5446, 10414, 15949, 31898, 36449, 49403, 72898, 98806, 111643, 223286, 345821, 691642, 2025523, 4051046, 14178661, 28357322]

約数ペア:

[(1, 28357322), (2, 14178661), (7, 4051046), (14, 2025523), (41, 691642), (82, 345821), (127, 223286), (254, 111643), (287, 98806), (389, 72898), (574, 49403), (778, 36449), (889, 31898), (1778, 15949), (2723, 10414), (5207, 5446)]