256400384

素因数分解:

$2^{10}\times {\mathrm{337}}^1\times {\mathrm{743}}^1$

素因数の和:1100

約数の個数: 44

約数和(自身を含む): 514763184

約数和(自身を除く): 258362800

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 337, 512, 674, 743, 1024, 1348, 1486, 2696, 2972, 5392, 5944, 10784, 11888, 21568, 23776, 43136, 47552, 86272, 95104, 172544, 190208, 250391, 345088, 380416, 500782, 760832, 1001564, 2003128, 4006256, 8012512, 16025024, 32050048, 64100096, 128200192, 256400384]

約数ペア:

[(1, 256400384), (2, 128200192), (4, 64100096), (8, 32050048), (16, 16025024), (32, 8012512), (64, 4006256), (128, 2003128), (256, 1001564), (337, 760832), (512, 500782), (674, 380416), (743, 345088), (1024, 250391), (1348, 190208), (1486, 172544), (2696, 95104), (2972, 86272), (5392, 47552), (5944, 43136), (10784, 23776), (11888, 21568)]