258643456

素因数分解:

$2^9\times {\mathrm{337}}^1\times {\mathrm{1499}}^1$

素因数の和:1854

約数の個数: 40

約数和(自身を含む): 518661000

約数和(自身を除く): 260017544

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 337, 512, 674, 1348, 1499, 2696, 2998, 5392, 5996, 10784, 11992, 21568, 23984, 43136, 47968, 86272, 95936, 172544, 191872, 383744, 505163, 767488, 1010326, 2020652, 4041304, 8082608, 16165216, 32330432, 64660864, 129321728, 258643456]

約数ペア:

[(1, 258643456), (2, 129321728), (4, 64660864), (8, 32330432), (16, 16165216), (32, 8082608), (64, 4041304), (128, 2020652), (256, 1010326), (337, 767488), (512, 505163), (674, 383744), (1348, 191872), (1499, 172544), (2696, 95936), (2998, 86272), (5392, 47968), (5996, 43136), (10784, 23984), (11992, 21568)]