12787985

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:377

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 5839855

約数列:

[1, 5, 7, 29, 35, 43, 145, 203, 215, 293, 301, 1015, 1247, 1465, 1505, 2051, 6235, 8497, 8729, 10255, 12599, 42485, 43645, 59479, 62995, 88193, 297395, 365371, 440965, 1826855, 2557597, 12787985]

約数ペア:

[(1, 12787985), (5, 2557597), (7, 1826855), (29, 440965), (35, 365371), (43, 297395), (145, 88193), (203, 62995), (215, 59479), (293, 43645), (301, 42485), (1015, 12599), (1247, 10255), (1465, 8729), (1505, 8497), (2051, 6235)]