28701631

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3793}}^1$

素因数の和:3870

約数の個数: 16

約数和(自身を含む): 34965504

約数和(自身を除く): 6263873

約数列:

[1, 7, 23, 47, 161, 329, 1081, 3793, 7567, 26551, 87239, 178271, 610673, 1247897, 4100233, 28701631]

約数ペア:

[(1, 28701631), (7, 4100233), (23, 1247897), (47, 610673), (161, 178271), (329, 87239), (1081, 26551), (3793, 7567)]