1257639170221

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{11807}}^1\times {\mathrm{490859}}^1$

素因数の和:502704

約数の個数: 16

約数和(自身を含む): 1483795169280

約数和(自身を除く): 226155999059

約数列:

[1, 7, 31, 217, 11807, 82649, 366017, 490859, 2562119, 3436013, 15216629, 106516403, 5795572213, 40569005491, 179662738603, 1257639170221]

約数ペア:

[(1, 1257639170221), (7, 179662738603), (31, 40569005491), (217, 5795572213), (11807, 106516403), (82649, 15216629), (366017, 3436013), (490859, 2562119)]