243981808

素因数分解:

$2^4\times 7^1\times {\mathrm{2178409}}^1$

素因数の和:2178424

約数の個数: 20

約数和(自身を含む): 540245680

約数和(自身を除く): 296263872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2178409, 4356818, 8713636, 15248863, 17427272, 30497726, 34854544, 60995452, 121990904, 243981808]

約数ペア:

[(1, 243981808), (2, 121990904), (4, 60995452), (7, 34854544), (8, 30497726), (14, 17427272), (16, 15248863), (28, 8713636), (56, 4356818), (112, 2178409)]