28971754

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71359}}^1$

素因数の和:71397

約数の個数: 16

約数和(自身を含む): 51379200

約数和(自身を除く): 22407446

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 71359, 142718, 499513, 999026, 2069411, 4138822, 14485877, 28971754]

約数ペア:

[(1, 28971754), (2, 14485877), (7, 4138822), (14, 2069411), (29, 999026), (58, 499513), (203, 142718), (406, 71359)]