12815665

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 15828048

約数和(自身を除く): 3012383

約数列:

[1, 5, 53, 137, 265, 353, 685, 1765, 7261, 18709, 36305, 48361, 93545, 241805, 2563133, 12815665]

約数ペア:

[(1, 12815665), (5, 2563133), (53, 241805), (137, 93545), (265, 48361), (353, 36305), (685, 18709), (1765, 7261)]