128248287

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 181149696

約数和(自身を除く): 52901409

約数列:

[1, 3, 41, 53, 103, 123, 159, 191, 309, 573, 2173, 4223, 5459, 6519, 7831, 10123, 12669, 16377, 19673, 23493, 30369, 59019, 223819, 415043, 671457, 806593, 1042669, 1245129, 2419779, 3128007, 42749429, 128248287]

約数ペア:

[(1, 128248287), (3, 42749429), (41, 3128007), (53, 2419779), (103, 1245129), (123, 1042669), (159, 806593), (191, 671457), (309, 415043), (573, 223819), (2173, 59019), (4223, 30369), (5459, 23493), (6519, 19673), (7831, 16377), (10123, 12669)]