28291270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{404161}}^1$

素因数の和:404175

約数の個数: 16

約数和(自身を含む): 58199328

約数和(自身を除く): 29908058

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 404161, 808322, 2020805, 2829127, 4041610, 5658254, 14145635, 28291270]

約数ペア:

[(1, 28291270), (2, 14145635), (5, 5658254), (7, 4041610), (10, 2829127), (14, 2020805), (35, 808322), (70, 404161)]