858374858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{39451}}^1$

素因数の和:39530

約数の個数: 32

約数和(自身を含む): 1499807232

約数和(自身を除く): 641432374

約数列:

[1, 2, 11, 22, 23, 43, 46, 86, 253, 473, 506, 946, 989, 1978, 10879, 21758, 39451, 78902, 433961, 867922, 907373, 1696393, 1814746, 3392786, 9981103, 18660323, 19962206, 37320646, 39017039, 78034078, 429187429, 858374858]

約数ペア:

[(1, 858374858), (2, 429187429), (11, 78034078), (22, 39017039), (23, 37320646), (43, 19962206), (46, 18660323), (86, 9981103), (253, 3392786), (473, 1814746), (506, 1696393), (946, 907373), (989, 867922), (1978, 433961), (10879, 78902), (21758, 39451)]