31142419

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{643}}^1$

素因数の和:715

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 11145197

約数列:

[1, 7, 11, 17, 37, 77, 119, 187, 259, 407, 629, 643, 1309, 2849, 4403, 4501, 6919, 7073, 10931, 23791, 48433, 49511, 76517, 120241, 166537, 261701, 404447, 841687, 1831907, 2831129, 4448917, 31142419]

約数ペア:

[(1, 31142419), (7, 4448917), (11, 2831129), (17, 1831907), (37, 841687), (77, 404447), (119, 261701), (187, 166537), (259, 120241), (407, 76517), (629, 49511), (643, 48433), (1309, 23791), (2849, 10931), (4403, 7073), (4501, 6919)]