81201152

素因数分解:

$2^{11}\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 167731200

約数和(自身を除く): 86530048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1024, 1279, 1984, 2048, 2558, 3968, 5116, 7936, 10232, 15872, 20464, 31744, 39649, 40928, 63488, 79298, 81856, 158596, 163712, 317192, 327424, 634384, 654848, 1268768, 1309696, 2537536, 2619392, 5075072, 10150144, 20300288, 40600576, 81201152]

約数ペア:

[(1, 81201152), (2, 40600576), (4, 20300288), (8, 10150144), (16, 5075072), (31, 2619392), (32, 2537536), (62, 1309696), (64, 1268768), (124, 654848), (128, 634384), (248, 327424), (256, 317192), (496, 163712), (512, 158596), (992, 81856), (1024, 79298), (1279, 63488), (1984, 40928), (2048, 39649), (2558, 31744), (3968, 20464), (5116, 15872), (7936, 10232)]