389969488

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{3539}}^1$

素因数の和:3715

約数の個数: 40

約数和(自身を含む): 774325440

約数和(自身を除く): 384355952

約数列:

[1, 2, 4, 8, 16, 71, 97, 142, 194, 284, 388, 568, 776, 1136, 1552, 3539, 6887, 7078, 13774, 14156, 27548, 28312, 55096, 56624, 110192, 251269, 343283, 502538, 686566, 1005076, 1373132, 2010152, 2746264, 4020304, 5492528, 24373093, 48746186, 97492372, 194984744, 389969488]

約数ペア:

[(1, 389969488), (2, 194984744), (4, 97492372), (8, 48746186), (16, 24373093), (71, 5492528), (97, 4020304), (142, 2746264), (194, 2010152), (284, 1373132), (388, 1005076), (568, 686566), (776, 502538), (1136, 343283), (1552, 251269), (3539, 110192), (6887, 56624), (7078, 55096), (13774, 28312), (14156, 27548)]