28136402

素因数分解:

$2^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{20719}}^1$

素因数の和:20825

約数の個数: 16

約数和(自身を含む): 48733440

約数和(自身を除く): 20597038

約数列:

[1, 2, 7, 14, 97, 194, 679, 1358, 20719, 41438, 145033, 290066, 2009743, 4019486, 14068201, 28136402]

約数ペア:

[(1, 28136402), (2, 14068201), (7, 4019486), (14, 2009743), (97, 290066), (194, 145033), (679, 41438), (1358, 20719)]