128528257

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 153838440

約数和(自身を除く): 25310183

約数列:

[1, 11, 13, 101, 121, 143, 809, 1111, 1313, 1573, 8899, 10517, 12221, 14443, 81709, 97889, 115687, 158873, 898799, 1062217, 1272557, 9886789, 11684387, 128528257]

約数ペア:

[(1, 128528257), (11, 11684387), (13, 9886789), (101, 1272557), (121, 1062217), (143, 898799), (809, 158873), (1111, 115687), (1313, 97889), (1573, 81709), (8899, 14443), (10517, 12221)]