12543905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1741}}^1$

素因数の和:1888

約数の個数: 16

約数和(自身を含む): 16555968

約数和(自身を除く): 4012063

約数列:

[1, 5, 11, 55, 131, 655, 1441, 1741, 7205, 8705, 19151, 95755, 228071, 1140355, 2508781, 12543905]

約数ペア:

[(1, 12543905), (5, 2508781), (11, 1140355), (55, 228071), (131, 95755), (655, 19151), (1441, 8705), (1741, 7205)]