207905885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{198953}}^1$

素因数の和:198988

約数の個数: 16

約数和(自身を含む): 286493760

約数和(自身を除く): 78587875

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 198953, 994765, 2188483, 3780107, 10942415, 18900535, 41581177, 207905885]

約数ペア:

[(1, 207905885), (5, 41581177), (11, 18900535), (19, 10942415), (55, 3780107), (95, 2188483), (209, 994765), (1045, 198953)]