2189403643

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 2611440000

約数和(自身を除く): 422036357

約数列:

[1, 7, 49, 61, 269, 343, 389, 427, 1883, 2723, 2989, 13181, 16409, 19061, 20923, 23729, 92267, 104641, 114863, 133427, 166103, 732487, 804041, 1162721, 5127409, 5628287, 6383101, 8139047, 35891863, 44681707, 312771949, 2189403643]

約数ペア:

[(1, 2189403643), (7, 312771949), (49, 44681707), (61, 35891863), (269, 8139047), (343, 6383101), (389, 5628287), (427, 5127409), (1883, 1162721), (2723, 804041), (2989, 732487), (13181, 166103), (16409, 133427), (19061, 114863), (20923, 104641), (23729, 92267)]