391475152

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{176023}}^1$

素因数の和:176170

約数の個数: 20

約数和(自身を含む): 763944160

約数和(自身を除く): 372469008

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 176023, 352046, 704092, 1408184, 2816368, 24467197, 48934394, 97868788, 195737576, 391475152]

約数ペア:

[(1, 391475152), (2, 195737576), (4, 97868788), (8, 48934394), (16, 24467197), (139, 2816368), (278, 1408184), (556, 704092), (1112, 352046), (2224, 176023)]