12728138

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 36

約数和(自身を含む): 21755862

約数和(自身を除く): 9027724

約数列:

[1, 2, 17, 19, 34, 38, 61, 122, 289, 323, 361, 578, 646, 722, 1037, 1159, 2074, 2318, 5491, 6137, 10982, 12274, 17629, 19703, 22021, 35258, 39406, 44042, 104329, 208658, 334951, 374357, 669902, 748714, 6364069, 12728138]

約数ペア:

[(1, 12728138), (2, 6364069), (17, 748714), (19, 669902), (34, 374357), (38, 334951), (61, 208658), (122, 104329), (289, 44042), (323, 39406), (361, 35258), (578, 22021), (646, 19703), (722, 17629), (1037, 12274), (1159, 10982), (2074, 6137), (2318, 5491)]