12720148

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26723}}^1$

素因数の和:26751

約数の個数: 24

約数和(自身を含む): 26937792

約数和(自身を除く): 14217644

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 26723, 53446, 106892, 187061, 374122, 454291, 748244, 908582, 1817164, 3180037, 6360074, 12720148]

約数ペア:

[(1, 12720148), (2, 6360074), (4, 3180037), (7, 1817164), (14, 908582), (17, 748244), (28, 454291), (34, 374122), (68, 187061), (119, 106892), (238, 53446), (476, 26723)]