128413439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2339}}^1$

素因数の和:2411

約数の個数: 32

約数和(自身を含む): 172523520

約数和(自身を除く): 44110081

約数列:

[1, 7, 11, 23, 31, 77, 161, 217, 253, 341, 713, 1771, 2339, 2387, 4991, 7843, 16373, 25729, 53797, 54901, 72509, 180103, 376579, 507563, 591767, 797599, 1667707, 4142369, 5583193, 11673949, 18344777, 128413439]

約数ペア:

[(1, 128413439), (7, 18344777), (11, 11673949), (23, 5583193), (31, 4142369), (77, 1667707), (161, 797599), (217, 591767), (253, 507563), (341, 376579), (713, 180103), (1771, 72509), (2339, 54901), (2387, 53797), (4991, 25729), (7843, 16373)]