289327235

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 376451712

約数和(自身を除く): 87124477

約数列:

[1, 5, 23, 37, 97, 115, 185, 485, 701, 851, 2231, 3505, 3589, 4255, 11155, 16123, 17945, 25937, 67997, 80615, 82547, 129685, 339985, 412735, 596551, 1563931, 2515889, 2982755, 7819655, 12579445, 57865447, 289327235]

約数ペア:

[(1, 289327235), (5, 57865447), (23, 12579445), (37, 7819655), (97, 2982755), (115, 2515889), (185, 1563931), (485, 596551), (701, 412735), (851, 339985), (2231, 129685), (3505, 82547), (3589, 80615), (4255, 67997), (11155, 25937), (16123, 17945)]