138368128

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{34871}}^1$

素因数の和:34916

約数の個数: 32

約数和(自身を含む): 284555520

約数和(自身を除く): 146187392

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 34871, 69742, 139484, 278968, 557936, 1081001, 1115872, 2162002, 2231744, 4324004, 4463488, 8648008, 17296016, 34592032, 69184064, 138368128]

約数ペア:

[(1, 138368128), (2, 69184064), (4, 34592032), (8, 17296016), (16, 8648008), (31, 4463488), (32, 4324004), (62, 2231744), (64, 2162002), (124, 1115872), (128, 1081001), (248, 557936), (496, 278968), (992, 139484), (1984, 69742), (3968, 34871)]