356349217

素因数分解:

$7^4\times {\mathrm{193}}^1\times {\mathrm{769}}^1$

素因数の和:990

約数の個数: 20

約数和(自身を含む): 418413380

約数和(自身を除く): 62064163

約数列:

[1, 7, 49, 193, 343, 769, 1351, 2401, 5383, 9457, 37681, 66199, 148417, 263767, 463393, 1038919, 1846369, 7272433, 50907031, 356349217]

約数ペア:

[(1, 356349217), (7, 50907031), (49, 7272433), (193, 1846369), (343, 1038919), (769, 463393), (1351, 263767), (2401, 148417), (5383, 66199), (9457, 37681)]