321304319

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2081}}^1$

素因数の和:2255

約数の個数: 24

約数和(自身を含む): 393048288

約数和(自身を除く): 71743969

約数列:

[1, 7, 23, 49, 137, 161, 959, 1127, 2081, 3151, 6713, 14567, 22057, 47863, 101969, 154399, 285097, 335041, 1995679, 2345287, 6557231, 13969753, 45900617, 321304319]

約数ペア:

[(1, 321304319), (7, 45900617), (23, 13969753), (49, 6557231), (137, 2345287), (161, 1995679), (959, 335041), (1127, 285097), (2081, 154399), (3151, 101969), (6713, 47863), (14567, 22057)]