39680221

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1277}}^1$

素因数の和:1500

約数の個数: 16

約数和(自身を含む): 47602944

約数和(自身を除く): 7922723

約数列:

[1, 7, 23, 161, 193, 1277, 1351, 4439, 8939, 29371, 31073, 205597, 246461, 1725227, 5668603, 39680221]

約数ペア:

[(1, 39680221), (7, 5668603), (23, 1725227), (161, 246461), (193, 205597), (1277, 31073), (1351, 29371), (4439, 8939)]