16668721

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{479}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 18662400

約数和(自身を除く): 1993679

約数列:

[1, 17, 23, 89, 391, 479, 1513, 2047, 8143, 11017, 34799, 42631, 187289, 724727, 980513, 16668721]

約数ペア:

[(1, 16668721), (17, 980513), (23, 724727), (89, 187289), (391, 42631), (479, 34799), (1513, 11017), (2047, 8143)]