15656215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1249}}^1$

素因数の和:1386

約数の個数: 16

約数和(自身を含む): 19800000

約数和(自身を除く): 4143785

約数列:

[1, 5, 23, 109, 115, 545, 1249, 2507, 6245, 12535, 28727, 136141, 143635, 680705, 3131243, 15656215]

約数ペア:

[(1, 15656215), (5, 3131243), (23, 680705), (109, 143635), (115, 136141), (545, 28727), (1249, 12535), (2507, 6245)]