28164836

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18979}}^1$

素因数の和:19043

約数の個数: 24

約数和(自身を含む): 57395520

約数和(自身を除く): 29230684

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 18979, 37958, 75916, 132853, 265706, 531412, 1005887, 2011774, 4023548, 7041209, 14082418, 28164836]

約数ペア:

[(1, 28164836), (2, 14082418), (4, 7041209), (7, 4023548), (14, 2011774), (28, 1005887), (53, 531412), (106, 265706), (212, 132853), (371, 75916), (742, 37958), (1484, 18979)]