239685397

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1511}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 306561024

約数和(自身を除く): 66875627

約数列:

[1, 7, 17, 31, 43, 119, 217, 301, 527, 731, 1333, 1511, 3689, 5117, 9331, 10577, 22661, 25687, 46841, 64973, 158627, 179809, 327887, 454811, 796297, 1104541, 2014163, 5574079, 7731787, 14099141, 34240771, 239685397]

約数ペア:

[(1, 239685397), (7, 34240771), (17, 14099141), (31, 7731787), (43, 5574079), (119, 2014163), (217, 1104541), (301, 796297), (527, 454811), (731, 327887), (1333, 179809), (1511, 158627), (3689, 64973), (5117, 46841), (9331, 25687), (10577, 22661)]