397698721

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{63197}}^1$

素因数の和:63264

約数の個数: 16

約数和(自身を含む): 485360640

約数和(自身を除く): 87661919

約数列:

[1, 7, 29, 31, 203, 217, 899, 6293, 63197, 442379, 1832713, 1959107, 12828991, 13713749, 56814103, 397698721]

約数ペア:

[(1, 397698721), (7, 56814103), (29, 13713749), (31, 12828991), (203, 1959107), (217, 1832713), (899, 442379), (6293, 63197)]