128865373

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{1123}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 161262528

約数和(自身を除く): 32397155

約数列:

[1, 7, 13, 91, 97, 169, 679, 1123, 1183, 1261, 7861, 8827, 14599, 16393, 102193, 108931, 114751, 189787, 762517, 1328509, 1416103, 9912721, 18409339, 128865373]

約数ペア:

[(1, 128865373), (7, 18409339), (13, 9912721), (91, 1416103), (97, 1328509), (169, 762517), (679, 189787), (1123, 114751), (1183, 108931), (1261, 102193), (7861, 16393), (8827, 14599)]