399542

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:164

約数の個数: 24

約数和(自身を含む): 715008

約数和(自身を除く): 315466

約数列:

[1, 2, 11, 13, 22, 26, 121, 127, 143, 242, 254, 286, 1397, 1573, 1651, 2794, 3146, 3302, 15367, 18161, 30734, 36322, 199771, 399542]

約数ペア:

[(1, 399542), (2, 199771), (11, 36322), (13, 30734), (22, 18161), (26, 15367), (121, 3302), (127, 3146), (143, 2794), (242, 1651), (254, 1573), (286, 1397)]