12837865

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 16555968

約数和(自身を除く): 3718103

約数列:

[1, 5, 29, 43, 71, 145, 215, 355, 841, 1247, 2059, 3053, 4205, 6235, 10295, 15265, 36163, 59711, 88537, 180815, 298555, 442685, 2567573, 12837865]

約数ペア:

[(1, 12837865), (5, 2567573), (29, 442685), (43, 298555), (71, 180815), (145, 88537), (215, 59711), (355, 36163), (841, 15265), (1247, 10295), (2059, 6235), (3053, 4205)]