16640042

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{28789}}^1$

素因数の和:28825

約数の個数: 12

約数和(自身を含む): 26515590

約数和(自身を除く): 9875548

約数列:

[1, 2, 17, 34, 289, 578, 28789, 57578, 489413, 978826, 8320021, 16640042]

約数ペア:

[(1, 16640042), (2, 8320021), (17, 978826), (34, 489413), (289, 57578), (578, 28789)]