9778928

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{4397}}^1$

素因数の和:4544

約数の個数: 20

約数和(自身を含む): 19087320

約数和(自身を除く): 9308392

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 4397, 8794, 17588, 35176, 70352, 611183, 1222366, 2444732, 4889464, 9778928]

約数ペア:

[(1, 9778928), (2, 4889464), (4, 2444732), (8, 1222366), (16, 611183), (139, 70352), (278, 35176), (556, 17588), (1112, 8794), (2224, 4397)]