28019268

素因数分解:

$2^2\times 3^2\times {\mathrm{778313}}^1$

素因数の和:778323

約数の個数: 18

約数和(自身を含む): 70826574

約数和(自身を除く): 42807306

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 778313, 1556626, 2334939, 3113252, 4669878, 7004817, 9339756, 14009634, 28019268]

約数ペア:

[(1, 28019268), (2, 14009634), (3, 9339756), (4, 7004817), (6, 4669878), (9, 3113252), (12, 2334939), (18, 1556626), (36, 778313)]