86684042

素因数分解:

$2^1\times {\mathrm{19}}^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 140745600

約数和(自身を除く): 54061558

約数列:

[1, 2, 19, 38, 71, 89, 142, 178, 361, 722, 1349, 1691, 2698, 3382, 6319, 6859, 12638, 13718, 25631, 32129, 51262, 64258, 120061, 240122, 486989, 610451, 973978, 1220902, 2281159, 4562318, 43342021, 86684042]

約数ペア:

[(1, 86684042), (2, 43342021), (19, 4562318), (38, 2281159), (71, 1220902), (89, 973978), (142, 610451), (178, 486989), (361, 240122), (722, 120061), (1349, 64258), (1691, 51262), (2698, 32129), (3382, 25631), (6319, 13718), (6859, 12638)]