87374644

素因数分解:

$2^2\times 7^2\times {\mathrm{445789}}^1$

素因数の和:445807

約数の個数: 18

約数和(自身を含む): 177870210

約数和(自身を除く): 90495566

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 445789, 891578, 1783156, 3120523, 6241046, 12482092, 21843661, 43687322, 87374644]

約数ペア:

[(1, 87374644), (2, 43687322), (4, 21843661), (7, 12482092), (14, 6241046), (28, 3120523), (49, 1783156), (98, 891578), (196, 445789)]