12900215

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2146

約数の個数: 16

約数和(自身を含む): 16394400

約数和(自身を除く): 3494185

約数列:

[1, 5, 29, 43, 145, 215, 1247, 2069, 6235, 10345, 60001, 88967, 300005, 444835, 2580043, 12900215]

約数ペア:

[(1, 12900215), (5, 2580043), (29, 444835), (43, 300005), (145, 88967), (215, 60001), (1247, 10345), (2069, 6235)]