19990390049

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4097231}}^1$

素因数の和:4097296

約数の個数: 16

約数和(自身を含む): 24780059136

約数和(自身を除く): 4789669087

約数列:

[1, 7, 17, 41, 119, 287, 697, 4879, 4097231, 28680617, 69652927, 167986471, 487570489, 1175905297, 2855770007, 19990390049]

約数ペア:

[(1, 19990390049), (7, 2855770007), (17, 1175905297), (41, 487570489), (119, 167986471), (287, 69652927), (697, 28680617), (4879, 4097231)]