161984128

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 332438400

約数和(自身を除く): 170454272

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 83, 128, 158, 166, 193, 316, 332, 386, 632, 664, 772, 1264, 1328, 1544, 2528, 2656, 3088, 5056, 5312, 6176, 6557, 10112, 10624, 12352, 13114, 15247, 16019, 24704, 26228, 30494, 32038, 52456, 60988, 64076, 104912, 121976, 128152, 209824, 243952, 256304, 419648, 487904, 512608, 839296, 975808, 1025216, 1265501, 1951616, 2050432, 2531002, 5062004, 10124008, 20248016, 40496032, 80992064, 161984128]

約数ペア:

[(1, 161984128), (2, 80992064), (4, 40496032), (8, 20248016), (16, 10124008), (32, 5062004), (64, 2531002), (79, 2050432), (83, 1951616), (128, 1265501), (158, 1025216), (166, 975808), (193, 839296), (316, 512608), (332, 487904), (386, 419648), (632, 256304), (664, 243952), (772, 209824), (1264, 128152), (1328, 121976), (1544, 104912), (2528, 64076), (2656, 60988), (3088, 52456), (5056, 32038), (5312, 30494), (6176, 26228), (6557, 24704), (10112, 16019), (10624, 15247), (12352, 13114)]