278049134

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{19717}}^1$

素因数の和:20371

約数の個数: 16

約数和(自身を含む): 455722416

約数和(自身を除く): 177673282

約数列:

[1, 2, 11, 22, 641, 1282, 7051, 14102, 19717, 39434, 216887, 433774, 12638597, 25277194, 139024567, 278049134]

約数ペア:

[(1, 278049134), (2, 139024567), (11, 25277194), (22, 12638597), (641, 433774), (1282, 216887), (7051, 39434), (14102, 19717)]