28384279

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{7523}}^1$

素因数の和:7555

約数の個数: 16

約数和(自身を含む): 36115200

約数和(自身を除く): 7730921

約数列:

[1, 7, 11, 49, 77, 343, 539, 3773, 7523, 52661, 82753, 368627, 579271, 2580389, 4054897, 28384279]

約数ペア:

[(1, 28384279), (7, 4054897), (11, 2580389), (49, 579271), (77, 368627), (343, 82753), (539, 52661), (3773, 7523)]