16245215

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1087}}^1$

素因数の和:1167

約数の個数: 24

約数和(自身を含む): 23069952

約数和(自身を除く): 6824737

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 1087, 2135, 2989, 5435, 7609, 14945, 38045, 53263, 66307, 266315, 331535, 464149, 2320745, 3249043, 16245215]

約数ペア:

[(1, 16245215), (5, 3249043), (7, 2320745), (35, 464149), (49, 331535), (61, 266315), (245, 66307), (305, 53263), (427, 38045), (1087, 14945), (2135, 7609), (2989, 5435)]