111720196

素因数分解:

$2^2\times 7^2\times {\mathrm{570001}}^1$

素因数の和:570019

約数の個数: 18

約数和(自身を含む): 227430798

約数和(自身を除く): 115710602

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 570001, 1140002, 2280004, 3990007, 7980014, 15960028, 27930049, 55860098, 111720196]

約数ペア:

[(1, 111720196), (2, 55860098), (4, 27930049), (7, 15960028), (14, 7980014), (28, 3990007), (49, 2280004), (98, 1140002), (196, 570001)]