81670144

素因数分解:

$2^{12}\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 52

約数和(自身を含む): 165654784

約数和(自身を除く): 83984640

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 128, 157, 254, 256, 314, 508, 512, 628, 1016, 1024, 1256, 2032, 2048, 2512, 4064, 4096, 5024, 8128, 10048, 16256, 19939, 20096, 32512, 39878, 40192, 65024, 79756, 80384, 130048, 159512, 160768, 260096, 319024, 321536, 520192, 638048, 643072, 1276096, 2552192, 5104384, 10208768, 20417536, 40835072, 81670144]

約数ペア:

[(1, 81670144), (2, 40835072), (4, 20417536), (8, 10208768), (16, 5104384), (32, 2552192), (64, 1276096), (127, 643072), (128, 638048), (157, 520192), (254, 321536), (256, 319024), (314, 260096), (508, 160768), (512, 159512), (628, 130048), (1016, 80384), (1024, 79756), (1256, 65024), (2032, 40192), (2048, 39878), (2512, 32512), (4064, 20096), (4096, 19939), (5024, 16256), (8128, 10048)]