388805488

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{379}}^1\times {\mathrm{661}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 764239280

約数和(自身を除く): 375433792

約数列:

[1, 2, 4, 8, 16, 97, 194, 379, 388, 661, 758, 776, 1322, 1516, 1552, 2644, 3032, 5288, 6064, 10576, 36763, 64117, 73526, 128234, 147052, 250519, 256468, 294104, 501038, 512936, 588208, 1002076, 1025872, 2004152, 4008304, 24300343, 48600686, 97201372, 194402744, 388805488]

約数ペア:

[(1, 388805488), (2, 194402744), (4, 97201372), (8, 48600686), (16, 24300343), (97, 4008304), (194, 2004152), (379, 1025872), (388, 1002076), (661, 588208), (758, 512936), (776, 501038), (1322, 294104), (1516, 256468), (1552, 250519), (2644, 147052), (3032, 128234), (5288, 73526), (6064, 64117), (10576, 36763)]