1990201738

素因数分解:

$2^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{332921}}^1$

素因数の和:332998

約数の個数: 24

約数和(自身を含む): 3529639044

約数和(自身を除く): 1539437306

約数列:

[1, 2, 7, 14, 49, 61, 98, 122, 427, 854, 2989, 5978, 332921, 665842, 2330447, 4660894, 16313129, 20308181, 32626258, 40616362, 142157267, 284314534, 995100869, 1990201738]

約数ペア:

[(1, 1990201738), (2, 995100869), (7, 284314534), (14, 142157267), (49, 40616362), (61, 32626258), (98, 20308181), (122, 16313129), (427, 4660894), (854, 2330447), (2989, 665842), (5978, 332921)]