3971405

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:544

約数の個数: 16

約数和(自身を含む): 5022000

約数和(自身を除く): 1050595

約数列:

[1, 5, 29, 61, 145, 305, 449, 1769, 2245, 8845, 13021, 27389, 65105, 136945, 794281, 3971405]

約数ペア:

[(1, 3971405), (5, 794281), (29, 136945), (61, 65105), (145, 27389), (305, 13021), (449, 8845), (1769, 2245)]