6640196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2131}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 12536160

約数和(自身を除く): 5895964

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 779, 1558, 2131, 3116, 4262, 8524, 40489, 80978, 87371, 161956, 174742, 349484, 1660049, 3320098, 6640196]

約数ペア:

[(1, 6640196), (2, 3320098), (4, 1660049), (19, 349484), (38, 174742), (41, 161956), (76, 87371), (82, 80978), (164, 40489), (779, 8524), (1558, 4262), (2131, 3116)]