66520699

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7129}}^1$

素因数の和:7210

約数の個数: 16

約数和(自身を含む): 80312320

約数和(自身を除く): 13791621

約数列:

[1, 7, 31, 43, 217, 301, 1333, 7129, 9331, 49903, 220999, 306547, 1546993, 2145829, 9502957, 66520699]

約数ペア:

[(1, 66520699), (7, 9502957), (31, 2145829), (43, 1546993), (217, 306547), (301, 220999), (1333, 49903), (7129, 9331)]