1668272

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{821}}^1$

素因数の和:956

約数の個数: 20

約数和(自身を含む): 3261696

約数和(自身を除く): 1593424

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 821, 1016, 1642, 2032, 3284, 6568, 13136, 104267, 208534, 417068, 834136, 1668272]

約数ペア:

[(1, 1668272), (2, 834136), (4, 417068), (8, 208534), (16, 104267), (127, 13136), (254, 6568), (508, 3284), (821, 2032), (1016, 1642)]