2557369984

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{1536881}}^1$

素因数の和:1536908

約数の個数: 32

約数和(自身を含む): 5486668740

約数和(自身を除く): 2929298756

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 1536881, 3073762, 6147524, 12295048, 19979453, 24590096, 39958906, 49180192, 79917812, 98360384, 159835624, 196720768, 319671248, 639342496, 1278684992, 2557369984]

約数ペア:

[(1, 2557369984), (2, 1278684992), (4, 639342496), (8, 319671248), (13, 196720768), (16, 159835624), (26, 98360384), (32, 79917812), (52, 49180192), (64, 39958906), (104, 24590096), (128, 19979453), (208, 12295048), (416, 6147524), (832, 3073762), (1664, 1536881)]