64438801

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{12911}}^1$

素因数の和:12972

約数の個数: 16

約数和(自身を含む): 79331328

約数和(自身を除く): 14892527

約数列:

[1, 7, 23, 31, 161, 217, 713, 4991, 12911, 90377, 296953, 400241, 2078671, 2801687, 9205543, 64438801]

約数ペア:

[(1, 64438801), (7, 9205543), (23, 2801687), (31, 2078671), (161, 400241), (217, 296953), (713, 90377), (4991, 12911)]