213825208

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{170243}}^1$

素因数の和:170406

約数の個数: 16

約数和(自身を含む): 403478280

約数和(自身を除く): 189653072

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 170243, 340486, 680972, 1361944, 26728151, 53456302, 106912604, 213825208]

約数ペア:

[(1, 213825208), (2, 106912604), (4, 53456302), (8, 26728151), (157, 1361944), (314, 680972), (628, 340486), (1256, 170243)]