256217897

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{28277}}^1$

素因数の和:28348

約数の個数: 16

約数和(自身を含む): 299294352

約数和(自身を除く): 43076455

約数列:

[1, 13, 17, 41, 221, 533, 697, 9061, 28277, 367601, 480709, 1159357, 6249217, 15071641, 19709069, 256217897]

約数ペア:

[(1, 256217897), (13, 19709069), (17, 15071641), (41, 6249217), (221, 1159357), (533, 480709), (697, 367601), (9061, 28277)]