12805705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1483}}^1$

素因数の和:1656

約数の個数: 16

約数和(自身を含む): 16881984

約数和(自身を除く): 4076279

約数列:

[1, 5, 11, 55, 157, 785, 1483, 1727, 7415, 8635, 16313, 81565, 232831, 1164155, 2561141, 12805705]

約数ペア:

[(1, 12805705), (5, 2561141), (11, 1164155), (55, 232831), (157, 81565), (785, 16313), (1483, 8635), (1727, 7415)]