2078552903

素因数分解:

$7^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 2504766240

約数和(自身を除く): 426213337

約数列:

[1, 7, 49, 71, 89, 137, 343, 497, 623, 959, 2401, 3479, 4361, 6319, 6713, 9727, 12193, 24353, 30527, 44233, 46991, 68089, 85351, 170471, 213689, 309631, 328937, 476623, 597457, 865703, 2167417, 3336361, 4182199, 6059921, 15171919, 23354527, 29275393, 42419447, 296936129, 2078552903]

約数ペア:

[(1, 2078552903), (7, 296936129), (49, 42419447), (71, 29275393), (89, 23354527), (137, 15171919), (343, 6059921), (497, 4182199), (623, 3336361), (959, 2167417), (2401, 865703), (3479, 597457), (4361, 476623), (6319, 328937), (6713, 309631), (9727, 213689), (12193, 170471), (24353, 85351), (30527, 68089), (44233, 46991)]