215920552

素因数分解:

$2^3\times {\mathrm{1229}}^1\times {\mathrm{21961}}^1$

素因数の和:23196

約数の個数: 16

約数和(自身を含む): 405198900

約数和(自身を除く): 189278348

約数列:

[1, 2, 4, 8, 1229, 2458, 4916, 9832, 21961, 43922, 87844, 175688, 26990069, 53980138, 107960276, 215920552]

約数ペア:

[(1, 215920552), (2, 107960276), (4, 53980138), (8, 26990069), (1229, 175688), (2458, 87844), (4916, 43922), (9832, 21961)]