129337856

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{1609}}^1$

素因数の和:1784

約数の個数: 40

約数和(自身を含む): 260230740

約数和(自身を除く): 130892884

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 256, 314, 512, 628, 1256, 1609, 2512, 3218, 5024, 6436, 10048, 12872, 20096, 25744, 40192, 51488, 80384, 102976, 205952, 252613, 411904, 505226, 823808, 1010452, 2020904, 4041808, 8083616, 16167232, 32334464, 64668928, 129337856]

約数ペア:

[(1, 129337856), (2, 64668928), (4, 32334464), (8, 16167232), (16, 8083616), (32, 4041808), (64, 2020904), (128, 1010452), (157, 823808), (256, 505226), (314, 411904), (512, 252613), (628, 205952), (1256, 102976), (1609, 80384), (2512, 51488), (3218, 40192), (5024, 25744), (6436, 20096), (10048, 12872)]