399550319

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1\times {\mathrm{2339}}^1$

素因数の和:3430

約数の個数: 16

約数和(自身を含む): 477135360

約数和(自身を除く): 77585041

約数列:

[1, 7, 23, 161, 1061, 2339, 7427, 16373, 24403, 53797, 170821, 376579, 2481679, 17371753, 57078617, 399550319]

約数ペア:

[(1, 399550319), (7, 57078617), (23, 17371753), (161, 2481679), (1061, 376579), (2339, 170821), (7427, 53797), (16373, 24403)]