1252741

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 1548288

約数和(自身を除く): 295547

約数列:

[1, 7, 23, 31, 161, 217, 251, 713, 1757, 4991, 5773, 7781, 40411, 54467, 178963, 1252741]

約数ペア:

[(1, 1252741), (7, 178963), (23, 54467), (31, 40411), (161, 7781), (217, 5773), (251, 4991), (713, 1757)]