1290242305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{1721}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 1734784128

約数和(自身を除く): 444541823

約数列:

[1, 5, 11, 43, 55, 215, 317, 473, 1585, 1721, 2365, 3487, 8605, 13631, 17435, 18931, 68155, 74003, 94655, 149941, 370015, 545557, 749705, 814033, 2727785, 4070165, 6001127, 23458951, 30005635, 117294755, 258048461, 1290242305]

約数ペア:

[(1, 1290242305), (5, 258048461), (11, 117294755), (43, 30005635), (55, 23458951), (215, 6001127), (317, 4070165), (473, 2727785), (1585, 814033), (1721, 749705), (2365, 545557), (3487, 370015), (8605, 149941), (13631, 94655), (17435, 74003), (18931, 68155)]