1257874145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1249}}^1\times {\mathrm{18311}}^1$

素因数の和:19576

約数の個数: 16

約数和(自身を含む): 1648080000

約数和(自身を除く): 390205855

約数列:

[1, 5, 11, 55, 1249, 6245, 13739, 18311, 68695, 91555, 201421, 1007105, 22870439, 114352195, 251574829, 1257874145]

約数ペア:

[(1, 1257874145), (5, 251574829), (11, 114352195), (55, 22870439), (1249, 1007105), (6245, 201421), (13739, 91555), (18311, 68695)]