161554913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:273

約数の個数: 32

約数和(自身を含む): 187076736

約数和(自身を除く): 25521823

約数列:

[1, 13, 37, 43, 73, 107, 481, 559, 949, 1391, 1591, 2701, 3139, 3959, 4601, 7811, 20683, 35113, 40807, 51467, 59813, 101543, 116143, 170237, 289007, 335873, 1509859, 2213081, 3757091, 4366349, 12427301, 161554913]

約数ペア:

[(1, 161554913), (13, 12427301), (37, 4366349), (43, 3757091), (73, 2213081), (107, 1509859), (481, 335873), (559, 289007), (949, 170237), (1391, 116143), (1591, 101543), (2701, 59813), (3139, 51467), (3959, 40807), (4601, 35113), (7811, 20683)]