2149740047

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1243343}}^1$

素因数の和:1243382

約数の個数: 16

約数和(自身を含む): 2785090560

約数和(自身を除く): 635350513

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1243343, 8703401, 16163459, 23623517, 113144213, 165364619, 307105721, 2149740047]

約数ペア:

[(1, 2149740047), (7, 307105721), (13, 165364619), (19, 113144213), (91, 23623517), (133, 16163459), (247, 8703401), (1729, 1243343)]