2560983039

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{1499}}^1$

素因数の和:1724

約数の個数: 48

約数和(自身を含む): 3974880000

約数和(自身を除く): 1413896961

約数列:

[1, 3, 9, 19, 57, 97, 103, 171, 291, 309, 873, 927, 1499, 1843, 1957, 4497, 5529, 5871, 9991, 13491, 16587, 17613, 28481, 29973, 85443, 89919, 145403, 154397, 189829, 256329, 436209, 463191, 569487, 1308627, 1389573, 1708461, 2762657, 2933543, 8287971, 8800629, 14976509, 24863913, 26401887, 44929527, 134788581, 284553671, 853661013, 2560983039]

約数ペア:

[(1, 2560983039), (3, 853661013), (9, 284553671), (19, 134788581), (57, 44929527), (97, 26401887), (103, 24863913), (171, 14976509), (291, 8800629), (309, 8287971), (873, 2933543), (927, 2762657), (1499, 1708461), (1843, 1389573), (1957, 1308627), (4497, 569487), (5529, 463191), (5871, 436209), (9991, 256329), (13491, 189829), (16587, 154397), (17613, 145403), (28481, 89919), (29973, 85443)]