1645206215

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{131249}}^1$

素因数の和:131386

約数の個数: 16

約数和(自身を含む): 2079000000

約数和(自身を除く): 433793785

約数列:

[1, 5, 23, 109, 115, 545, 2507, 12535, 131249, 656245, 3018727, 14306141, 15093635, 71530705, 329041243, 1645206215]

約数ペア:

[(1, 1645206215), (5, 329041243), (23, 71530705), (109, 15093635), (115, 14306141), (545, 3018727), (2507, 656245), (12535, 131249)]