1118777728

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{66721}}^1$

素因数の和:66866

約数の個数: 32

約数和(自身を含む): 2245862520

約数和(自身を除く): 1127084792

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 2096, 4192, 8384, 16768, 66721, 133442, 266884, 533768, 1067536, 2135072, 4270144, 8540288, 8740451, 17480902, 34961804, 69923608, 139847216, 279694432, 559388864, 1118777728]

約数ペア:

[(1, 1118777728), (2, 559388864), (4, 279694432), (8, 139847216), (16, 69923608), (32, 34961804), (64, 17480902), (128, 8740451), (131, 8540288), (262, 4270144), (524, 2135072), (1048, 1067536), (2096, 533768), (4192, 266884), (8384, 133442), (16768, 66721)]