287520828

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{488981}}^1$

素因数の和:489002

約数の個数: 36

約数和(自身を含む): 780415272

約数和(自身を除く): 492894444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 588, 488981, 977962, 1466943, 1955924, 2933886, 3422867, 5867772, 6845734, 10268601, 13691468, 20537202, 23960069, 41074404, 47920138, 71880207, 95840276, 143760414, 287520828]

約数ペア:

[(1, 287520828), (2, 143760414), (3, 95840276), (4, 71880207), (6, 47920138), (7, 41074404), (12, 23960069), (14, 20537202), (21, 13691468), (28, 10268601), (42, 6845734), (49, 5867772), (84, 3422867), (98, 2933886), (147, 1955924), (196, 1466943), (294, 977962), (588, 488981)]