7864542728

素因数分解:

$2^3\times 7^4\times {\mathrm{409441}}^1$

素因数の和:409475

約数の個数: 40

約数和(自身を含む): 17202705630

約数和(自身を除く): 9338162902

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2401, 2744, 4802, 9604, 19208, 409441, 818882, 1637764, 2866087, 3275528, 5732174, 11464348, 20062609, 22928696, 40125218, 80250436, 140438263, 160500872, 280876526, 561753052, 983067841, 1123506104, 1966135682, 3932271364, 7864542728]

約数ペア:

[(1, 7864542728), (2, 3932271364), (4, 1966135682), (7, 1123506104), (8, 983067841), (14, 561753052), (28, 280876526), (49, 160500872), (56, 140438263), (98, 80250436), (196, 40125218), (343, 22928696), (392, 20062609), (686, 11464348), (1372, 5732174), (2401, 3275528), (2744, 2866087), (4802, 1637764), (9604, 818882), (19208, 409441)]