157217284

素因数分解:

$2^2\times 7^2\times {\mathrm{802129}}^1$

素因数の和:802147

約数の個数: 18

約数和(自身を含む): 320049870

約数和(自身を除く): 162832586

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 802129, 1604258, 3208516, 5614903, 11229806, 22459612, 39304321, 78608642, 157217284]

約数ペア:

[(1, 157217284), (2, 78608642), (4, 39304321), (7, 22459612), (14, 11229806), (28, 5614903), (49, 3208516), (98, 1604258), (196, 802129)]