28920632

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{21391}}^1$

素因数の和:21423

約数の個数: 24

約数和(自身を含む): 58721040

約数和(自身を除く): 29800408

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 21391, 42782, 85564, 171128, 278083, 556166, 1112332, 2224664, 3615079, 7230158, 14460316, 28920632]

約数ペア:

[(1, 28920632), (2, 14460316), (4, 7230158), (8, 3615079), (13, 2224664), (26, 1112332), (52, 556166), (104, 278083), (169, 171128), (338, 85564), (676, 42782), (1352, 21391)]