131951872

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1339

約数の個数: 72

約数和(自身を含む): 293027840

約数和(自身を除く): 161075968

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 806, 832, 992, 1279, 1612, 1664, 1984, 2558, 3224, 3328, 3968, 5116, 6448, 7936, 10232, 12896, 16627, 20464, 25792, 33254, 39649, 40928, 51584, 66508, 79298, 81856, 103168, 133016, 158596, 163712, 266032, 317192, 327424, 515437, 532064, 634384, 1030874, 1064128, 1268768, 2061748, 2128256, 2537536, 4123496, 4256512, 5075072, 8246992, 10150144, 16493984, 32987968, 65975936, 131951872]

約数ペア:

[(1, 131951872), (2, 65975936), (4, 32987968), (8, 16493984), (13, 10150144), (16, 8246992), (26, 5075072), (31, 4256512), (32, 4123496), (52, 2537536), (62, 2128256), (64, 2061748), (104, 1268768), (124, 1064128), (128, 1030874), (208, 634384), (248, 532064), (256, 515437), (403, 327424), (416, 317192), (496, 266032), (806, 163712), (832, 158596), (992, 133016), (1279, 103168), (1612, 81856), (1664, 79298), (1984, 66508), (2558, 51584), (3224, 40928), (3328, 39649), (3968, 33254), (5116, 25792), (6448, 20464), (7936, 16627), (10232, 12896)]