390238052

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{2731}}^1$

素因数の和:3131

約数の個数: 24

約数和(自身を含む): 690758880

約数和(自身を除く): 300520828

約数列:

[1, 2, 4, 139, 257, 278, 514, 556, 1028, 2731, 5462, 10924, 35723, 71446, 142892, 379609, 701867, 759218, 1403734, 1518436, 2807468, 97559513, 195119026, 390238052]

約数ペア:

[(1, 390238052), (2, 195119026), (4, 97559513), (139, 2807468), (257, 1518436), (278, 1403734), (514, 759218), (556, 701867), (1028, 379609), (2731, 142892), (5462, 71446), (10924, 35723)]