128516515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{3413}}^1$

素因数の和:3878

約数の個数: 16

約数和(自身を含む): 163708128

約数和(自身を除く): 35191613

約数列:

[1, 5, 17, 85, 443, 2215, 3413, 7531, 17065, 37655, 58021, 290105, 1511959, 7559795, 25703303, 128516515]

約数ペア:

[(1, 128516515), (5, 25703303), (17, 7559795), (85, 1511959), (443, 290105), (2215, 58021), (3413, 37655), (7531, 17065)]